Question

(I get this but don't understand how to get the correct answer. Pls help?)
Find the area of the right triangle in the quadrilateral.


Dave had a section of his roof damaged by hail, so he needs to replace the shingles. The roof section can be represented by trapezoid JKLM. How many square feet of shingles must he order?

Answer 1

Area of trapezoid: (b1 + b2)h/2

Answer 2

62H2 ?

Answer 3

62 DIVIDED BY 17? Is that what your trying to tell me?

Answer 4

How did you get 62?

Answer 5

i added 32 and 22

Answer 6

Area of trapezoid: (b1 + b2)h/2
(32 + 22)*17/2

Answer 7

54 oops.

Answer 8

54*17 / 2 like that?

Answer 9

1. 32 + 22 = 54, not 62
2. Notice in the formula, h multiplies the sum of the bases. Then you divide by 2.

Answer 10

yes, you got it now.

Answer 11

=459

Answer 12

thank you! I got it right.

Answer 13

that's it, but include ft^2 units in it.

Answer 14

ok.(: