Please answer this correctly I have to finish this today as soon as possible

Steps:

32yd. * 15yd. = 480 sq. yd

96 sq. yd. + 480 sq. yd = 576

Description:

We know that the prism is 13 yards long with a base of 12 yards and height of 8 yards. Meaning.

H = height

B = Base

P= Prism

The area of the prism each is 12yd * 8yd/2 = 48. So the two triangle combined area will be 96 yd. Meaning we get the number 32yd times it by 8 divide by 2 = the answer will equal as 48yd .The perimeter of both identical, isosceles triangles triangles are 10yd. + 10yd. + 12yd. = 32yd. and the length of those sides is 15yd.  So the last step is to 32yd. * 15yd. = 480 sq. yd.  Now you combine the two areas yields the total . 96 sq. yd. + 480 sq. yd = 576 sq. yd. total Answer will come as 576. Meanign the correct answer for this question is 576 yd.

 576 sq. yd. total

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Hope this helps.

b i think

step-by-step explanation:

not really sure

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