Geometry
posted by amanda .
I really need help with this.
Explain how the formula for the area of a triangle can be determined by using the formula for the area of a parallelogram.

If you draw a diagonal on a parallelogram, it makes two idential triangles. Area of parallelogram is b*height, so each triangle is 1/2 b*h
Respond to this Question
Similar Questions

algebra
sooo confusing... 6. (¼ + 7/8)(9/13) A81/13 B17/104 C81/104 D17/29 E17/13 F17/25 7. [6(2+1) 6(1+1)] / [6(42)  22 ] A3/2 B3/4 C3/5 D3 E1/3 F2/3 8. 3(y – 5)  (2y + 1) Ay +14 B5y  4 C5y + 14 D13y E5y 6 Fy – 4 For problems … 
algebra
a1. Simplify 5 + (71)2/6 A11 B41/6 C51/6 D7 E17/6 F23 b2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F131/8 f3. Simplify [7+2(5  9)2]/[(4+1)2  3(22)] A23/2 B18/7 C13 D9/4 E8/41 F3 e4. Simplify 36 – 2x[4(32)] A36  28x … 
Prealgebra
Transform the formula. The area of a triangle A can be found with the formula A=1/2bh where b is the length of the base of the triangle and h is the height of the triangle. Solve the formula for h. 
Math
The formula A=bh is used to find the area of a parallelogram. If the base of a parallelogram is double and its height is doubled, how does this affect the area. 
geometry
in order to find the area of a regular hexagon using the formula Area=1/2(nxs)(a)you must frist find the apothem whie vertical leg of a 306090 triangle with the base of 3. Find the length of the apothem in the 306090 triangle 
geometry
14. Question says that there is a triangle with a base of x units and height h units and two sides of length 10 units. Answer the following questions: • Draw a representation of this situation (the triangle). • Find a formula for … 
math
A parallelogram has an area of 8x^2  2x 45. The height of the parallelogram is 4x + 9. I know the formula for a parallelogram is A=bh. Please work and explain how I get the length of the base of the parallelogram. Thanks 
Algebra
the area of a triangle can be determined by using the formula A= 1/2bh, where b is the length of the base, and h is the length of the height. Determine the area of a triangle with a base which is 7x to the 2nd power and a height which … 
Geometry
Please help! I'm really confused on what it is asking. Use the formula for area of a triangle to derive the formula for the area of a regular polygon. 
geometry (please help)
Is there a way to post a pic to help explain this?