Questions on Geometry: Triangles answered by real tutors!

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Question 501137: If the measures of the angles of a triangle are 42�, 48�, and 90�, which of the following words best describes this triangle?
Click here to see answer by Alan3354(69443)

Question 500234: in a ΔABC, angle B=38*. C is point in between B and D and there is a line drawn from A to C. AC=BC and AD=CD. what is angle D equal to?
* means Degree.
Click here to see answer by cleomenius(959)

Question 500066: A 15 ft. ladder is placed up against the side of a building. The bottom of the building and the bottom of the ladder are 9 ft. apart. At what point (in feet) does the top of the ladder touch the building?
Click here to see answer by cleomenius(959)

Question 500065: To avoid a flooded area, Stuey drove 12 mi. straight east, turned left, and drove 16 mi. straight north to reach his destination. What is the shortest distance Stuey could have driven between his starting and ending points?
Click here to see answer by cleomenius(959)

Question 501315: If the measure of each base angle of an isoscele triangle is20�.why the vertex anglemustbe 140�
Click here to see answer by rfer(16322)

Question 501582: if i know the three side lengths of an isosceles triangle how do i figure out the area?
Click here to see answer by edjones(8007)

Question 501692: Find the perimeter of an isosceles triangle with a base of 29 and a side of 81.
Click here to see answer by richard1234(7193)

Question 501736: calculate the area of a right triangle whose longest side is 17 and difference between its legs is 7 ?
Click here to see answer by mananth(16946)

Question 501618: If Im trying to solve for 11x-24 degrees. The other two angles are 90 degrees and 68 degrees what would the third angle of the triangle be if it were 11x-24?
Click here to see answer by ankor@dixie-net.com(22740)

Question 501815: if two sides of a triangle are 10 and 9, what would the range of the third side be?
Click here to see answer by Alan3354(69443)

Question 501815: if two sides of a triangle are 10 and 9, what would the range of the third side be?
Click here to see answer by jorel1380(3719)

Question 502224: " How do you solve a triangles height and base when you are only given the area, such as this-" A triangle has an area of 338, if the height of the triangle is 4 times its base, what is the height and base?"
Click here to see answer by Earlsdon(6294)

Question 502952: is it possible for a quadratic equation to have one rational root and one irrational root? explain.

Click here to see answer by jrb1965(16)

Question 503210: How many different isosceles triangles can you find that have sides with integral lengths such that the perimeter or the triangle 20?
I know that a+b+c =20 and that a=b, where do i go from there?
Click here to see answer by richard1234(7193)

Question 503602: The angles of a triangle have the measures m
Click here to see answer by xdragonfight(116)

Question 505083: if the perimeter is 18 inches, what is the length?
Click here to see answer by richard1234(7193)

Question 504853: a cone and a cylinder have the same diameters. How many times greater must the height of the cone be so that the two solids have the same volume? Explain.
Click here to see answer by richard1234(7193)

Question 505324: In an equilateral triangle, the incenter is the intersection of :
A) 3 medians
B) 3 perpendicular bisectors
C) 3 altitudes
D) 3 angle bisectors
Please and thank you :3

Click here to see answer by Edwin McCravy(20054)

Question 505818: The sides of a triangle have the equations y= -1/2 x +1, y= 2x - 4,and y= -3x-9. Verify that the triangle is an isosceles right triangle.
Click here to see answer by solver91311(24713)

Question 506443: The rectangles on a quilt are 2 in. wide and 3 in. long. The perimeter of each rectangle is made by a pattern of red thread. If there are 30 rectangles in the quilt, how much red thread will be needed

Click here to see answer by xdragonfight(116)

Question 506446: The width of a rectangular mirror is the measure of the length of the mirror. If the area is 96 in., what are the length and width of the mirror?
Click here to see answer by xdragonfight(116)

Question 419703: Refer to the figure below to find the measure.

Given:
If CR = 3, RA = 5, and CS = 4, find SB. SB= 6 2/3

Refer to the figure below to find the measure.

Given:
If CR = 2, RA = 3, and BC = 10, find CS. CS=4

[] Question #5 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

Refer to the figure below to find the measure.

Given:
If CR = 4, RA = 6, and RS = 10, find AB.

[] Question #6 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

Refer to the figure below to find the measure.

Given: 1 = 2
If AC = 3, BC = 5, and AB = 7, find AD: and DB:

[] Question #7 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

Refer to the figure below to find the measure.

Given: 1 = 2
If AB = 10, AC = 6, and BC = 6, find AD:5 and DB: 5

[] Question #8 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

Refer to the figure below to find the measure.
Given: 1 = 2
If AC:BC = 3:5 and AB = 12, find AD:4.5 and DB: 7.5

[] Question #9 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

In the figure below, the segment is parallel to one side of the triangle. Find the values of x and y .

x = y =

[] Question #10 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

In the figure below, the segment is parallel to one side of the triangle. Find the values of x and y .

x = y =

[] Question #11 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

In the figure below, the segment is parallel to one side of the triangle. Find the values of x and y .

x = y =

[] Question #12 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

In the figure below, the segment is parallel to one side of the triangle. Find the values of x and y .

x = y =

[] Question #13 Incorrect
[] FillInBlank

[][]Note to teacher:

Note from teacher:

In the figure below, the segment is parallel to one side of the triangle. Find the values of x and y .

x = y =

[] Question #14 Incorrect
[] FillInBlank
[][]Note to teacher
Note from teacher:
In the figure below, the segment is parallel to one side of the triangle. Find the value of x .
x =

[] Question #15
[] FillInBlank
[][]Note to teacher:
Do i add x+7?
Note from teacher:
In the figure below, the segment is parallel to one side of the triangle. Find the value of x .
x =
Click here to see answer by timhott(1)

Question 507273: what is base if height is 20ft and hypotenuse is 20 ft , 90 degrees angle?
Click here to see answer by richard1234(7193)

Question 507260: Find the exact value of the area an equilateral triangle if the measure of one side is 4.

Click here to see answer by richard1234(7193)

Question 507219: are there triangles with integral angular bisectors? if so what are they? give examples.

Click here to see answer by richard1234(7193)

Question 507587: the sides of an equilateral triangle measure (2x+4) units. What is the perimeter
Click here to see answer by oberobic(2304)

Question 507587: the sides of an equilateral triangle measure (2x+4) units. What is the perimeter
Click here to see answer by jim_thompson5910(35256)

Question 507631: the perimeter of a triangle is 100 feet. the longest side is 3 feet less than twice the shortest side, and the third side is 7 feet longer than the shortest side. find the lengths of the sides of the triangle.
Click here to see answer by oberobic(2304)

Question 507659: is it possible for a triangle to have the side of 1,3,and 5
Click here to see answer by jim_thompson5910(35256)

Question 507667: http://www.baraboo.k12.wi.us/faculty/dhelwig/Geometry%204.pdf
Pg-205
problem#- 20
Click here to see answer by MathLover1(20849)

Question 507984: When given lengths of the three sides of a triangle, how do you know if they form a triangle or not?
Click here to see answer by xdragonfight(116)

Question 508269: if an isosceles triangle has congruent sides of 15 cm and the base is 20 what would the hieght be
Click here to see answer by swincher4391(1107)

Question 508891: The lengths of the three sides of a trianlge are in the ratio 3:5:6. The perimeter of the triangle is 21 cm. How can you find the length of each side of the triangle.
Click here to see answer by oberobic(2304)

Question 509144: Good evening,
My questions to you are:
1. Find the missing side (C) of a right triangle that has a side (A) of 7 inches and a side (B) of 8 inches..
2. What is the surface area of a gas chamber that measures 13 feet wide, 13 feet high, and 13 feet long.
3. Find the volume of a cylindrical water tank that has a radius of 7.5 feet and a height of 30 feet.
Thank you,
Michael Fisher
Click here to see answer by Alan3354(69443)

Question 509143: Good evening,
My questions to you are:
1. Find the missing side (C) of a right triangle that has a side (A) of 7 inches and a side (B) of 8 inches..
2. What is the surface area of a gas chamber that measures 13 feet wide, 13 feet high, and 13 feet long.
3. Find the volume of a cylindrical water tank that has a radius of 7.5 feet and a height of 30 feet.
Thank you,
LCpl Fisher
Click here to see answer by Alan3354(69443)

Question 509160: lenthgs of an isoscels triangle are 2x+5, 3x-6, and 3x-6 find the sides
Click here to see answer by Alan3354(69443)

Question 509333: Given that the area of an equilateral triangle is 316 "cm"^2, find its perimeter.
Click here to see answer by swincher4391(1107)

Question 509239: In triangle ABC, AB + 2(BC) = BC + 2(AB) and AC + 2(AB) = AB + 2(AC). Classify triangle ABC.
A. Scalene
B. Isosceles
C. Equilateral
D. Right

Click here to see answer by richard1234(7193)

Question 509625: Classify the triangle with verticies (2,4), (-5,6), and (7,3) by it's sides and angles.
Click here to see answer by Edwin McCravy(20054)

Question 509649: How do you find out which number can be sides of triangles ?
Click here to see answer by richard1234(7193)

Question 509847: Thank you in advance. Need help, textbook show lousy examples to explain process needed to solve problem. This problem is confusing to me, The triangle appears to be scalene, there are no cong.sides of this triangle picture of the graph in the book.
The question is Triangle ABC has vertices A(0,8), B (6,0), C(15,0)
(B and C lie on the same line in the diagram, A is angled up toward the left then angles down to meet C)

USE THE DISTANCE FORMULA to find;
AB=
AC=
BC=
what is the perimeter of triangle ABC=_____
what is the area of triangle ABC=______square units.
Click here to see answer by Alan3354(69443)

Question 509858: find the side length if the height is 12 squareroot of 2 in
Click here to see answer by Alan3354(69443)

Question 509860: okay i have right triangle and it gives me one side which is 9 then the other said says x-2 but i need to know how to figure out x how do u do it

Click here to see answer by Alan3354(69443)

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