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1 answer:
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Answer:
A = 20.5 sq units
Step-by-step explanation:
you have the height of 5 but need to figure out the base
we can use the Pythagorean Theorem two times to find it
1) a² + 5² = 7²
a² = 49-25
a = =
·
= 2
2) b² + 5² = 6²
b² = 36-25
b =
Base = 2 +
A = 1/2 x 5· (2 +
)
A = 2.5 · (2 +
)
A = 2.5(8.2)
A = 20.5