Questions on Geometry: Triangles answered by real tutors!

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Question 1133881: How many square meters are there in a triangle, the length is 4.20 and the width is 3.90
Click here to see answer by Alan3354(69443)

Question 1134196: Does 1.5 cm,3cm,and 1.5 cm form a triangle
Click here to see answer by greenestamps(13198)

Question 1134195: TriangleABC~DEF
If AB=3, DE=5, BC=9 find the length of EF.
Click here to see answer by greenestamps(13198)

Question 1134195: TriangleABC~DEF
If AB=3, DE=5, BC=9 find the length of EF.
Click here to see answer by Theo(13342)

Question 1134268: A triangle has an area of 222 square inches. The height of the triangle is 18.5 inches. What is the length of the base?
Click here to see answer by ikleyn(52776)

Question 1134294: The question I am working on...
Leg xy of a right triangle is twicw as long as leg yz
If the area of the triangle is 36cm2, what is the length of xy?
I have tried using the A=1/2 x H x B formula and working backwards. But can't quite get there
Click here to see answer by josgarithmetic(39616)

Question 1134295: Line BM and line CN are altitude of triangle ABC. If AB = 3.5cm, AC = 3.2cm and BM = 2.1cm, calculate the area of the triangle ABC and hence find CN.
Click here to see answer by ikleyn(52776)

Question 1134332: What is the best description for a triangle or triangles, if any, that can be formed with sides measuring 60 centimetres, 100 centimeters, and 40 centimetres? Is it one, two, or many similar scalene triangles, or is it no triangles at all?
Click here to see answer by josgarithmetic(39616)

Question 1134377: I am doing similar triangles for homework. How do you find if they are similiar?
Click here to see answer by josgarithmetic(39616)

Question 1134308: Triangle ABC is translated 2 units to the right on a coordinate plane to form triangle DEF. The measure of AB = 6 units, BC = 5 units, CA = 4 units, and angle ABC = 41 . Which of the following is a corresponding measure of
triangle DEF ?
A. FD = 4 units
B. EF = 4 units
C. Angle FDE = 41 degrees
D. Angle EFD = 41 degrees
Click here to see answer by mathsolverplus(88)

Question 1134486: If a right triangle has an area of 756 square units, what are the possible lengths of the base and height of this right triangle?

Click here to see answer by stanbon(75887)

Question 1134532: How do you work out the unknown sides and angles of a right angled triangle if you only have the length of the hypotenuse (344)?
Click here to see answer by Alan3354(69443)

Question 1134784: Describe the triangle below: acute, right, or obtuse.

In the first number, am I supposed to square root the entire number or just eleven?
Click here to see answer by MathLover1(20849)

Question 1134787: This problem refers to right triangle ABC with C = 90°.
Begin the problem by drawing a picture of the triangle with both the given and asked for information labeled appropriately.If B = 53.66° and b = 18.33 yd, find a. (Round your answer to three decimal places.)

a = yd
Click here to see answer by josgarithmetic(39616)

Question 1134788: This problem refers to right triangle ABC with C = 90°. Solve for all the missing parts using the given information. (Round your answers to the nearest whole number.)
A = 27°, c = 22 m
B= °
a= m
b= m

Click here to see answer by mathsolverplus(88)

Question 1134789: This problem refers to right triangle ABC with C = 90°. Solve for all the missing parts using the given information. (Round your answers to three decimal places.)
A = 8° 36', b = 4.752 cm
B= ° '
a= cm
c= cm
Click here to see answer by MathLover1(20849)

Question 1134987: To further justify the Cofunction Theorem, use your calculator to find a value for the given pair of trigonometric functions. The trigonometric functions are cofunctions of one another, and the angles are complementary angles. Round each answer to four places past the decimal point.
sin 18°, cos 72°

sin 18°=
cos 72°=
Click here to see answer by greenestamps(13198)

Question 1134986: To further justify the Cofunction Theorem, use your calculator to find a value for the given pair of trigonometric functions. The trigonometric functions are cofunctions of one another, and the angles are complementary angles. Round your answers to four places past the decimal point.
tan 2° 30', cot 87° 30'

tan 2° 30'=
cot 87° 30'=
Click here to see answer by greenestamps(13198)

Question 1134985: Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled.
The two equal sides of an isosceles triangle are each 30 centimeters. If the base measures 44 centimeters, find the height h and the measure of the two equal angles θ. (Round your answers to the nearest whole number.)
h= cm
θ= °

Click here to see answer by Boreal(15235)

Question 1134983: Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled.
How long should an escalator be if it is to make an angle of 33° with the floor and carry people a vertical distance of 27 feet between floors? (Round your answer to the nearest whole number.)

= . ft

Click here to see answer by josgarithmetic(39616)

Question 1134984: Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled.
An equilateral triangle (one with all sides the same length) has an altitude of 12.5 inches. Find the length of the sides. (Round your answer to one decimal place.)

= . in
Click here to see answer by josgarithmetic(39616)

Question 1135177: Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled.
If a 74.0-foot flagpole casts a shadow 59.0 feet long, what is the angle of elevation of the sun (to the nearest tenth of a degree)?
Click here to see answer by ikleyn(52776)

Question 1135234: A triangle has a base of 9 inches and a height of 8 inches, what is the area of the triangle?
Click here to see answer by josgarithmetic(39616)

Question 1135234: A triangle has a base of 9 inches and a height of 8 inches, what is the area of the triangle?
Click here to see answer by Math2019(2)

Question 1135234: A triangle has a base of 9 inches and a height of 8 inches, what is the area of the triangle?
Click here to see answer by math_helper(2461)

Question 1135183: A ship is anchored off a long straight shoreline that runs north and south. From two observation points 19 miles apart on shore, the bearings of the ship are N 36° E and S 56° E. What is the shortest distance from the ship to the shore? (Round your answer to the nearest tenth.)

= mi
Click here to see answer by Theo(13342)

Question 1135181: The following problem involves directions in the form of bearing, which we defined in this section. Remember that bearing is always measured from a north-south line.
A boat travels on a course of bearing N 34° 10' W for 78.7 miles. How many miles north and how many miles west has the boat traveled? (Round each answer to the nearest tenth.)
north = mi
west= mi
Click here to see answer by Alan3354(69443)

Question 1135176: Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled.
A 72.3-foot rope from the top of a circus tent pole is anchored to the ground 44.1 feet from the bottom of the pole. What angle does the rope make with the pole? (Assume the pole is perpendicular to the ground. Round your answer to one decimal place.)
Click here to see answer by Alan3354(69443)

Question 1135262: traingle ABC has coordinates A(0,0), B(0,6) , and C (4,0). Triangle DEF is similar to triangle ABC, and the length of DE is 3 units. what is the measure of segment DF? why
Click here to see answer by MathLover1(20849)

Question 1135280: The following problem involves directions in the form of bearing, which we defined in this section. Remember that bearing is always measured from a north-south line.
Town L is 14 miles due south of town N. Town B is due east of town L and S 69° E from town N. How far is town L from town B? (Round your answer to the nearest whole number.)

= mi
Click here to see answer by Alan3354(69443)

Question 1135468: Two planes take off at the same time from an airport. The first plane is flying at 250 miles per hour on a bearing of S 45.0° E. The second plane is flying in the direction S 45.0°W at 285 miles per hour. If there are no wind currents blowing, how far apart are they after 5 hours? (Round your answer to two decimal places.)
= mi

What is the bearing of the second plane from the first after 5 hours? (Round your answer to one decimal place.)
S ° W
Click here to see answer by Alan3354(69443)

Question 1135471: The problem below refers to a vector V with magnitude |V| that forms an angle θ with the positive x-axis. In this case, give the magnitudes of the horizontal and vertical vector components of V, namely Vx and Vy, respectively. (Round each answer to the nearest whole number.)
|V| = 60, θ = 0°
|Vx| =
|Vy| =
Click here to see answer by MathLover1(20849)

Question 1135470: The problem below refers to a vector V with magnitude |V| that forms an angle θ with the positive x-axis. In this case, give the magnitudes of the horizontal and vertical vector components of V, namely Vx and Vy, respectively. (Round each answer to the nearest whole number.)
|V| = 373, θ = 13° 40'
|Vx| =
|Vy| =
Click here to see answer by MathLover1(20849)

Question 1135469: The problem below refers to a vector V with magnitude |V| that forms an angle θ with the positive x-axis. In this case, give the magnitudes of the horizontal and vertical vector components of V, namely Vx and Vy, respectively. (Round your answers to two decimal places.)
|V| = 12.6, θ = 22.6°
|Vx| =
|Vy| =
Click here to see answer by MathLover1(20849)

Question 1135473: A plane travels 110 miles on a bearing of N 17° E and then changes its course to N 48° E and travels another 150 miles. Find the total distance traveled north and the total distance traveled east. (Round each answer to the nearest whole number.)
north mi
east mi

Click here to see answer by jim_thompson5910(35256)

Question 1135501: I am solving for a right triangle. One angle (other than the 90 degree) is labeled 30 degrees. The hypotenuse is 2 root 38. How do I find the legs?
Click here to see answer by josgarithmetic(39616)

Question 1135707: This problem refers to triangle ABC.
If B = 150°, C = 20°, and c = 21 inches, find b. (Round your answer to the nearest whole number.)
b = in
Click here to see answer by josgarithmetic(39616)

Question 1135715: The following information refers to triangle ABC. Find all the missing parts. (Round your answers for sides b and c to two decimal places.)
A = 44° 30', C = 100° 30', a = 3.24 ft
B= ° '
b= ft
c= ft

Click here to see answer by josgarithmetic(39616)

Question 1135712: The following information refers to triangle ABC. Find all the missing parts. (Round your answers for sides b and c to one decimal place.)
B = 52°, C = 39°, a = 7.4 m
A= °
b= m
c= m

Click here to see answer by Boreal(15235)

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