Questions on Geometry: Triangles answered by real tutors!

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Question 353577: the measure of one acute angle of a right triangle is 30 degrees more than twice the measure of the other acute angle
Click here to see answer by ewatrrr(24785)

Question 353576: Triangle ABC is similar to triangle DEF if AC = 10.5 , AB = 6.5 and DE = 8, find DF ?
Click here to see answer by ewatrrr(24785)

Question 353559: If a, b and c are the sides of a triangle, and a^2 + b^2 + c^2 = bc + ca + ab, then the triangle is
a. equilateral b. isosceles c. right-angled d. obtuse-angled
Click here to see answer by edjones(8007)

Question 353096: In a triangle with sides of length 5, 8, and 2x + 9, find the restrictions on the value of x.
(A) �2 < x < 4.5
(B) �3 < x < 2
(C) 0 < x < 2
(D) �4.5 < x < 7
(E) �13 < x < 14
Click here to see answer by Fombitz(32388)

Question 353573: The perimeter of one triangle is 24 centimeters ,and the perimeter of a second triangle is 36 centimeters . if the length of one side of the smaller triangle is 6, find possible lengths of the other sides of the triangles so that they are similar
Click here to see answer by checkley77(12844)

Question 353866: What is the length of side"a" in a right triangle if side "b"= 4 and side "c"= 5?
Click here to see answer by Alan3354(69443)

Question 354008: list the angles of triangle GHI in order from least to greatest measure if side GI is 7, side GH is 8, and side IH is 9.6
Click here to see answer by stanbon(75887)

Question 354005: if the lengths of 2 sides of a triangle are 24 inches and 29 inches, then the third side must have a length between what 2 measures?
Click here to see answer by stanbon(75887)

Question 354009: determine whether the 3 points given could be the vertices of a triangle.show why or why not.
s(6,5)
p(-8,3)
r(12,-1)
Click here to see answer by Fombitz(32388)

Question 354106: An isosceles triangle has a base 10 units long.if the congruent sides have whole numbers,what is the least possible lengths of the sides ?
A 5 B 6 C 17 D 21
Click here to see answer by edjones(8007)

Question 354240: How would you find the length of each leg of a right triangle if the legs are expressed as: x and another leg as: x+1. The hypotenuse is 6.
Click here to see answer by checkley77(12844)

Question 354477: Please help!
My house is 10 miles from the airport. A plane took off from the airport and when it was directly over my house it had traveled 12 miles. How many miles high is the airplane when it is directly over my house?
Click here to see answer by mananth(16946)

Question 354524: A triangle side of lengths of 3 inches, 6 inches, and 8 inches. A similar triangle is 24 inches on one side. Find the maximum perimeter, in inches of the second triangle
Click here to see answer by mananth(16946)

Question 354658: if a triangular figure is in the shape of an isosceles right triangle, what is the measure of each base triangle?

Click here to see answer by vleith(2983)

Question 354658: if a triangular figure is in the shape of an isosceles right triangle, what is the measure of each base triangle?

Click here to see answer by stanbon(75887)

Question 354817: The side of a square has a length of 15 feet.
Find the length of its diagonal.
Click here to see answer by jim_thompson5910(35256)

Question 354886: how to write...the base of the triangle is 2 feet longer than triple the length of the altitude
Click here to see answer by mananth(16946)

Question 354923: the hypotenuse of an isosceles right triangle if one of the sides of the right angle measures 12cm
Click here to see answer by robertb(5830)

Question 354917: A ladder is leaning against the top of a 7.0 foot wall If the bottom of the ladder is 4.5 feet from the wall what is the angle between the ladder and the wall?
Click here to see answer by mananth(16946)

Question 355054: this is the problem. A right triangle has two legs with lengths a and b and a hypotenuse with length c. in this triangle, the area and perimeter are the same nonzero number. find the length of a if b=6.
Click here to see answer by robertb(5830)

Question 355117: A landowner wishes to use 9 miles of fencing to enclose an isosceles triangular region of as large an area as possible. What should be the lengths of the sides of the triangle?

Click here to see answer by Alan3354(69443)

Question 355228: 2 points b and c are placed to the right of a such that 4ab=3ac. Find the value of bc/ab
Click here to see answer by Fombitz(32388)

Question 355238: Which of the following sets of three numbers could NOT be the lengths of the sides of a triangle?
a. (3,3,4)
b. (4,3,6)
c. (7,7,7)
d. (3,6,9)
Click here to see answer by Edwin McCravy(20054)

Question 355319: A triangle has sides of the following lengths: 1 meter, 3/2 meter and 5/6 meter. Which of the following sets of lengths (also in meters) are lengths of the sides of a triangle similar to the given triangle?
a. 11, 15 and 10
b. 3, 4 and 5
c. 2, 3 and 4
d. 5, 6 and 9
Click here to see answer by edjones(8007)

Question 355389: the legs of a right triangle measure 32 inches and 60 inches what is the hypotenuse?
Click here to see answer by rfer(16322)

Question 355532: Suppose that the angle of elevation of the sun is 30. Find the length (in feet) of the shadow cast by a woman who is 512 feet tall.

Click here to see answer by Alan3354(69443)

Question 355482: the area of a right isosceles triangle is 16, how long are its congruent sides?
Click here to see answer by Alan3354(69443)

Question 355707: The smallest angle in a triangle is 1/9 as large as the largest angle. The third angle is five times the smallest angle. Find the three angles. (
Click here to see answer by Fombitz(32388)

Question 355788: how to find the range for the measure of the third side of a triangle given the measures of two sides
8 and 13
Click here to see answer by Edwin McCravy(20054)

Question 355873: Explain how you can find the measure of angles in similar triangles?
Click here to see answer by ewatrrr(24785)

Question 356143: the sail abc has side length a-b = 5 metres b-c = 6 metres and a-c=7 metres what is the area
Click here to see answer by mananth(16946)

Question 356332: A triangle has side lengths of 3 meters , 5 meters ,and 4 meters . the triangle is enlarged so that larger triangle is similar to the original and the scale factor is 5 . find the perimeter of the larger triangle
Click here to see answer by CharlesG2(834)

Question 356406: In a certain triangle, one side has a measure of 20 and another side has a measure of 26. If the triangle is isosceles, then which of the following could be the measure of the third side?
Click here to see answer by Fombitz(32388)

Question 356560: Find the following: 84�13' - 27�45'
Click here to see answer by stanbon(75887)

Question 356561: how do I turn 0.75 degrees in minutes and seconds
Click here to see answer by stanbon(75887)

Question 356561: how do I turn 0.75 degrees in minutes and seconds
Click here to see answer by jim_thompson5910(35256)

Question 356568: What are the 2 other sides of a right isoceles triangle if the hypotenuse is 1?
Click here to see answer by jim_thompson5910(35256)

Question 356608: Find the area of a triangle defined by R(0,0), S(6,8), and T(10,0).
Click here to see answer by nyc_function(2741)

Question 356488: the measure of one angle of a triangle is 40. the measures of the other two angles are in a ratio of 3:4
Click here to see answer by Fombitz(32388)

Question 356827: if 17 and 26 are the lengths of two sides of a triangle what is the range of possible values for the length of the third side?
Click here to see answer by Edwin McCravy(20054)

Question 356916: a triangular shaped sandbox has angles whose measures are in the ratio 3 : 7 : 2. What is the measure of the smallest angle?
Click here to see answer by rfer(16322)

Question 357111: A lot is in the shape of a right triangle. The longer leg measures 1 meter more than the shorter leg. The hypotenuse measures 2 meters more than the shorter leg. Find the dimensions of the lot.
Click here to see answer by ewatrrr(24785)

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