Questions on Geometry: Triangles answered by real tutors!

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Question 1013241: The baseof a triangle is (4h +10)centimeters. The height of the triangle is (5h-7)centimeters. Find the area of the triangle.

Click here to see answer by Alan3354(69443)

Question 1013057: Fatima observed that one angle of an isosceles triangle is 35 degrees than the other angle. Find the remaining unknown angles. Find the perimeter and area of the unknown triangle. (in terms of the bases(s) of the triangle).
Click here to see answer by Alan3354(69443)

Question 1013260: This question is not worded, just a drawing so I am not sure what 2x-5 is representing, but here is what i can make of it : In Triangle CAB, BC is extended through point D. Angle CAB = 38 degrees,
side AC (or angle ACD)= 2x-5, and BC = x+3.
What is the measure of angle ACD?
What is the measure of BC?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1013337: The Endpoints of two segments are given. Find each segment length. Tell whether the segments are congruent.
EF: E(1,4), F(5,1)
GH: G(-3,1), H(1,6)
Click here to see answer by stanbon(75887)

Question 1013480: A triangle has sides of lengths 10 cm and 16 cm and the measure of the angle between them is 130. what is the area of the triangle?

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Question 1013634: The dimensions of the official NBA basketball court are 94 feet and 50 feet. How many basketball courts can you fit into the area of pentagon?
Click here to see answer by fractalier(6550)

Question 1013632: To start the construction o a rest house. the engineer advice his foreman to erect five pegs to establish the perimeter (outside) of the floor plan, which is in the shape of regular pentagon. The desired area of the floor plan is 80 meter squared. Find the length of the string needed in the layout. Consider that 5% is accounted for tying.
Click here to see answer by Alan3354(69443)

Question 1013432: ABC is a triangle. D is a point on AB such that AD = 1/4 AB and E is a point on AC such that AE= 1/4 AC. Prove that DE = 1/4 BC.
Click here to see answer by Theo(13342)

Question 1013629: A small tree in the yard was leaning. To keep it from falling, we tied a 3 yard strap into the ground 1.25 yards from the base of the tree opposite the direction where the tree is leaning. The strap was nailed to the tree 1.5 yards above the ground.How far from the vertical was the tree leaning?
Click here to see answer by Alan3354(69443)

Question 1013682: An architect designs a rectangular flower garden such that the width is exactly two-thirds of the length. If 210 feet of antique picket fencing are to be used to enclose the garden, find the dimensions of the garden.
Click here to see answer by Boreal(15235)

Question 1013692: Triangle ABC is a 30˚ −60˚ −90˚ triangle with vertices A(2, 5) and B(2, −5). If m ∠B = 30˚ and ∠C is a right angle, what is the y-coordinate of C?
Click here to see answer by Boreal(15235)

Question 1013700: An equilateral triangle has a perpendicular height of 21cm.find the height of each of the sides correct to 2 decimal places
Click here to see answer by fractalier(6550)

Question 1013700: An equilateral triangle has a perpendicular height of 21cm.find the height of each of the sides correct to 2 decimal places
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Question 1013711: Points p an q are 3km north and and 4km west of point respectively. Find the bearing of q from p
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Question 1013709: A ladder 6m long leans against a vertical wall so that the foot of the ladder is 3m from the wall. Find the angle of the ladder makes with the wall
Click here to see answer by ikleyn(52751)

Question 1013729: A stick is placed against a vertical wall with it foot on the horizontal ground. The distance between the foot of the stick and the wall is 16m and the angle of the ladder to the horizontal is 62 degree. Calculate the height of the wall.
Click here to see answer by ikleyn(52751)

Question 1013728: A ladder 6m long leans against a vertical wall so that the foot of the ladder is 3m from the wall. Find the angle of the ladder makes with the wall.
Click here to see answer by ikleyn(52751)

Question 1013828: ABCDE is a regular pentagon. Find angle CBD.
Click here to see answer by fractalier(6550)

Question 1013955: if triangle abc is similar to triangle jkl what is the measure of angle B with angle A being 60 degrees in triangle abc in triangle jkl angle j is 60 degrees and angle K is 50 degrees what is the measure of angle B can someone show me how make a degree mark on the keyboard instead of writing out degrees
Click here to see answer by Theo(13342)

Question 1014009: If triangle abc is similar to triangle jkl what is the measure of angle B in triangle abc angle A is the bottom left angle and is marked as 60 degrees angle B is the top angle in the triangle and is not marked and angle C is the bottom right angle and is also not marked in triangle jkl angle J is the bottom left angle and measures 60 degrees angle K is the top angle and is not marked and angle L is the bottom right angle and is marked as 50 degrees what is the measure of angle B in degrees
Click here to see answer by rothauserc(4718)

Question 1013976: What is the perimeter of triangle ABC? Round to the nearest tenth.

Square Roots and Right Triangles, Part 1

A.
5.8 units

B.
14.8 units

C.
2.4 units

D.
13.8 units

Click here to see answer by fractalier(6550)

Question 1014023: if triangle jkl is similar to triangle mnp what is the measure of angle K triangle jkl is marked as angle J is the top angle and is marked as 50 degrees angle K is the bottom left side and is not marked angle L is the bottom right and is marked as 40 degrees in triangle mnp angle M is the top angle and marked as 50 degrees angle N is the bottom left angle and is not marked and P is the right bottom and is marked as 40 degrees what is the measure of angle K
Click here to see answer by josgarithmetic(39613)

Question 1013887: triangle abc is ~ to triangle jkl in triangle abc A is 60 degrees in triangle jkl angle J is 60 degrees and angle L is 50 degrees what is the measure of angle B enter answer in degrees also can someone show me what symbol to use for the degrees mark
Click here to see answer by ikleyn(52751)

Question 1014265: Ab = (5/0) find ab
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Question 1014263: Ab =5/0 find ab
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Question 1014241: what is the measure of angle r if triangle abc and triangle qrs are similar to each other in triangle abc angle a is the bottom left angle and is marked as 30 degrees angle b is the top angle and is not marked angle c is the bottom right angle and is marked as 70 degreess in triangle qrs angle q is the bottom left angle and is marked as 30 degrees angle r is the top angle and is not marked angle s is the bottom right angle and is marked as 70 degrees what is the measure of angle r
Click here to see answer by ikleyn(52751)

Question 1014245: The calculator screen shows a regular pentagram whose vertices lie on a unit circle with centre (0,0). The values on the screen refer to the vertex marked with the cursor�bottom left vertex. The values indicate the coordinates of the corresponding angle in standard position. (This was the fourth point plotted. With each new point plotted a straight line joins to the previous point.)
a) Write the angle in standard position, in degrees corresponding to each vertex.
b) Write the coordinates of each vertex.
(Shows a pentagram picture on a graphing calculator, in the bottom left says x=-.588, y=-.809 and a dot on the leftmost bottom triangle vertex)
Click here to see answer by KMST(5328)

Question 1014464: If angle J =4x-8 and angle L =3x+15, find angle J and angle L (in a triangle)
I have tried 4x-8=3x+15 and got the answer 23 but that if for the angle k
I do nit know where to go from here
Click here to see answer by ikleyn(52751)

Question 1014440: Hey there
Trina and mazaheer are standing on the same side of a red maple tree. The angle of elevation from mazaheer to the tree top is 67 degrees and the angle of elevation from Trina to the tree top is 53�. If the tree is 12m high how far apart are the two girls? What is the distance between Trina and the top of the tree?
Can you please solve this step by step. I'm having a lot of trouble with this question. Thanks I really appreciate it.
Click here to see answer by josgarithmetic(39613)

Question 1014519: Find the area of the equilateral triangle if the radius of the circle is 6 cm.
Click here to see answer by Alan3354(69443)

Question 1014531: Given that triangle ABC and triangle XYZ are equal, m Thank you for your help and time!
Click here to see answer by macston(5194)

Question 1014515:
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Question 1014588: A circle is inscribed in the equilateral triangle and its radius is 6 cm, what is the area of the equilateral triangle?
Click here to see answer by ikleyn(52751)

Question 1014582: How do you find the circumcenter of triangle ABC?
A(7,6)B(-3,3)C(7,3)
Click here to see answer by ikleyn(52751)

Question 1014581: How do you find the circumcenter of the triangle ABC?
A(-8,-6)B(-3,3)C(-8,3)
Click here to see answer by ikleyn(52751)

Question 1014564:
Find two consecutive odd integers such that their product is
31
more than
2
times their sum.
Click here to see answer by solver91311(24713)

Question 1014741: Ok this will be the third time i have sent this problem will someone please help me if triangles TOP and ACE are similar what is the measure of E let p=3.5 let t=4.25 and a=2.125 what is the measure of E
Click here to see answer by macston(5194)

Question 1014701: In the triangle with the vertices A(0,1),B(2,3),C(-1,4), find the equation of the altitude through B.

Click here to see answer by josgarithmetic(39613)

Question 1014700: A(4,3) B(-3,2) C(1,-3)
Find the point of intersection of the perpendicular bisector.
Click here to see answer by Alan3354(69443)

Question 1014702: In the triangle with the vertices A(0,1),B(2,3),C(-1,4), find the equation of the median from B to midpoint of AC.

Click here to see answer by solver91311(24713)

Question 1014340: Find the perimeter of an equilateral triangle that can be inscribed in a circle whose circumference is 50 meters.
Click here to see answer by Fombitz(32388)

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