Question

the area of a triangle is calculated with the following formula: A=1/2bh. toledos backyard shed has a triangular shape with bas of 8x+2 feet and a height of 6x-1 feet. find the area of The shed.

Answer 1

you are given the formula

A = (1/2)*base*height

you are also given the base and height

therefore, use the formula to find the area

Answer 2

are you familiar with the foil method?

Answer 3

Yes

Answer 4

I got the answer 48x^2+4x-2

Answer 5

you're very close!

the formula also has (1/2) in it, so you need to multiply that by 1/2

Answer 6

How do you multiply trinomals ?

Answer 7

multiply every individual term by 1/2

Answer 8

ex: what is 48x^2 * 1/2?

Answer 9

24x^2

Answer 10

good

what is 4x * 1/2?

Answer 11

2x

Answer 12

good!

what is -2 * 1/2?

Answer 13

-1

Answer 14

good!

so your answer is 24x^2 + 2x - 1

Answer 15

Thanks