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Question 131814: The lenghts of the sides of a triangle are 25cm,60cm,and 65 cm.If the longest side of a similar trinagle measures 39cm,what is the lenght of the shortest side of this triangle
PLEASE HELP!!!!!!!!!!!!!!!!!!
Click here to see answer by stanbon(57361)

Question 131983:

9x-10 + 2x^2 + x^2+4 Triangle perimeter

Click here to see answer by checkley71(8403)

Question 132318: My son is learning geometry and I am lost. He only has a worksheet for his assignment. The question is this:
The triangles below are similar (there are two).
a) name the pairs of corresponding sides
b)name the pairs of corresponding angles
How does he go about solving this problem. Thank you.
Click here to see answer by nycsharkman(136)

Question 132671: Two angles of a triangle measure 15° and 85°, What is the measure for the third angle?
I'm sure what the angles are to total so how do i forgot how find the third angle.
Click here to see answer by snwbrdfrk(10)

Question 132905: You are lying 120 ft away from a tree that is 50 feet tall. You look up at the top of the tree. Approximately how far is your hear from the top of the tree in a straight line? ok i keep getting 130 ft which is right but i can't get my work to match any help thanks.
Click here to see answer by Earlsdon(6287)

Question 132930: The height of wall is 15 from the surface level, 20 feet forward from the surface level of the wall and the angle is create from the top of the wall from the surface level of the wall from the distance of 20 feet tell me how we calculate the angle.
Click here to see answer by nycsharkman(136)

Question 132929: The height of wall is 15 from the surface level, 20 feet forward from the surface level of the wall and the angle is create from the top of the wall from the surface level of the wall from the distance of 20 feet tell me how we calculate the angle.
Click here to see answer by vleith(2825)

Question 133166: In the movie, "The Wizard of Oz," the Wizard says, "The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side."
Is his statement correct?

Click here to see answer by Nate(3500)

Question 133172: In a triangle, I know the base & height. How do I get the measurement of the other side of the triangle?
Click here to see answer by checkley71(8403)

Question 133424: Please help me with this problem, I just don't know how to get started with it. Thank you for any help you can give.
The length of the base of an isosceles triangle is one third the length of one of its legs. If the perimeter of the triangle is 56 inches, what is the length of the base?
Click here to see answer by vleith(2825)

Question 133446: Help I'm stuck. Triangles ABC and triangle DEF are similar. what is the length of line DF?
line AC=4 ,line BC=2,line EF=7
Click here to see answer by scott8148(6628)

Question 133446: Help I'm stuck. Triangles ABC and triangle DEF are similar. what is the length of line DF?
line AC=4 ,line BC=2,line EF=7
Click here to see answer by josmiceli(9686)

Question 133473: I need help understanding how to figure out a problem using the law of sines using only one angle measurement, 55, and two side measurements, 9 and 11.
Click here to see answer by solver91311(16897)

Question 133586: Please help, I am stuck. Thank you
The length of the base of an isosceles triangle is one fourth the length of one of its legs. If the perimeter of the triangle is 90 cm, what is the length of the base? I would really appreciate any help you could give.
Click here to see answer by checkley71(8403)

Question 133639: in a triangle a base and the cooesponding height are in the ratio 3:2. The area is 108 in. squared. find the base and the corresponding height.
Click here to see answer by nycsharkman(136)

Question 133638: an isosceles right triangle has area of 98 cm to the second power ..find the length of each side
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Question 133766: I need help answer this question:
Mount Everest is 29,045 ft high. The base of the mountian is 3 miles from the centerline. How long is the climb in feet?
Click here to see answer by solver91311(16897)

Question 133998: My question is "if the area of an equilateral triangle is 100in squared then what would the length of one of the sides be?" I have tried many different way to solve it and I can't get the answer right no matter how I try to solve it.
Click here to see answer by scott8148(6628)

Question 134458: The measures of the sides of a triangle are 2,8 and 7 inches. If the longest side of a similar triangle measures 4 inches what is the length of the shortest side?
Click here to see answer by vleith(2825)

Question 134597: How do you do Problems on the Side-splitter Theorem?
Click here to see answer by solver91311(16897)

Question 134594: How do you do problems base on the Triangle-Angle-Bisector Theorem?

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Question 134988: If the base of the larger triangle is 34" long, what is the length of side a of the smaller triangle?
Larger triangle a=30, b=16, c=34
Smaller triangle c=17
Click here to see answer by stanbon(57361)

Question 135029: A person is 100m from a tower. The angle subtended by the top of the tower with the ground is 30 degress. Calculate the height fo the tower.
Click here to see answer by checkley77(12569)

Question 135325: I tried solving this question but trial and error but I was wondering if there is a formula to use?
In triangle ABC,angle A is 5 times angle B, and angle c is 16 degrees less than angle b. What are the measures of the three angles?
I got Angle A-140 Angle B-28 and ANgle C-12 because I know all angles on a triangle must equal 180 degrees. Is this right and is there a formula to solve it?
Thank you!
Click here to see answer by checkley77(12569)

Question 135418: Could some one please help I do not remember how to solve this kind of problem.
The base of a triangle is 4cm greater then the height. the area is Find the height and length of the base.
Click here to see answer by Earlsdon(6287)

Question 135941: i need help with my trigonometry ,its on ratios
Click here to see answer by stanbon(57361)

Question 135988: Please help with this question. Determine the area of the triangle to the nearest tenth. Use A=bh/2. It is a right triangle 30-60-90 and the base measure is 6squareroot3. The height is not given. Thank you
Click here to see answer by nycsharkman(136)

Question 136211: I am not having that much difficulty with Geometry, basically I am new to it. I tend to get in some trouble with it, when it comes to solving the equation. With this it says:
*If x and 3x-10 represant the measure of the acute angles of a right triangle, find the value of x.*
Please help me, Thank You=)
Click here to see answer by solver91311(16897)

Question 136941: I need help with this story probem.
While traveling across flat land, you notice a mountian directly in front of you. The angle of elevation to the peak is 2.5 degrees. After you drive 17 miles closer to the montain, the angle of elevation is 9 degrees. Approximate the height of the mountain.
Please help me.
Click here to see answer by stanbon(57361)

Question 136957: Please help! I need to find the length of the base of a triangle in which the base of said triangle is 3 times its height with an area of 216 Cm2.
Thanks.
Click here to see answer by checkley77(12569)

Question 137144: A trianglehas an area of 39cm^2. The base is 7 cm shorter than the height. Find the base and height.
Click here to see answer by checkley77(12569)

Question 137290: In a right triangle, find the length of the side NOT given. b=1, c=square root 17, a= ??
use Phythagorean Formula a^2+b^2=c^2
a^2=c^2-b^2
=17^2-1^2
=289-1
=288
square root a^2=square root 288
a=square root (144*2)
=square root 144(square root 2)
=12 square root 2 or
=about 16.97 or about 17
Click here to see answer by tns_tutor5000(9)

Question 138307: what is a pythagorean theorem?

Click here to see answer by stanbon(57361)

Question 139002: The perimeter of a triangle is 218 ft. One side is twice the second side. The third side is 42 more 17than the second side. Find the length of each side.

Click here to see answer by checkley77(12569)

Question 139374: Tell whether a triangle with the sides of the given lengths is 45°-45° -90°, 30° -60° -90° or neither.
11, 22, 19.1
Click here to see answer by solver91311(16897)

Question 139371: Find the value of "x", round your answer to the nearest tenth.

Click here to see answer by checkley77(12569)

Question 139524: A=35* , B=68* and b=10
Click here to see answer by MathLover1(6634)

Question 139538: b=20, c=30 and B=40
Click here to see answer by solver91311(16897)

Question 139572: How do I find the value of x in this problem?

Click here to see answer by oscargut(891)

Question 139572: How do I find the value of x in this problem?

Click here to see answer by Edwin McCravy(8909)

Question 139624: Please help me to solve this word problem.
A portion of a roller coaster is supported by two steel beams. A cable runs from the top of each beam to the bottom of the other. if one steel beam is 40 feet tall and the other beam is 30 feet tall how high above teh ground do the cables intersect.
I have drawn a picture and added in the information from the problem and proved that the triangles fromed were similar, but i dont know what to use to set up the proportion please help.
Click here to see answer by scott8148(6628)

Question 140513: In a right triangle, find the length of the side not given
b=2, c=^29
Click here to see answer by stanbon(57361)

Question 140767: If a triangle of base 14 units has the same area as a circle that has a radius of 14 units, find the height of the triangle. Use. 3.14 for pi.

Click here to see answer by jojo14344(1512)

Question 140879:
1. The height of a triangle is 4 feet less than the base. The area of the triangle is 16 square feet. Find the length of the base and height of the triangle.
2. The perimeter of a rectangle is 32 inches. The area of the rectangle is 48 square inches. Find the dimensions of the rectangle.
3. Find the radius of a cylinder whose volume is 2512 cubic centimeters and whose height is 8 centimeters.

Click here to see answer by checkley77(12569)

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