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vladimir2022 [97]
2 years ago
13

Find the surface area of triangle prism. ​

Mathematics
1 answer:
shepuryov [24]2 years ago
4 0

Step-by-step explanation:

the area of a triangle is baseline×height/2

in case of such a right-angled triangle we can use the sides that enclose the 90 degree angle as baseline and height.

so,

B = 8×6/2 = 8×3 = 24 yd²

the height h is 8 yd (as the picture clearly shows).

the perimeter of the base is the sum of all three sides

P = 8 + 6 + 10 = 24 yd

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The perimeter of a rectangle is 48 in. if the length is twice the width, what is the length of the rectangle?
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