olson1312
24.05.2020 •
Mathematics
Use the Pythagorean Theorem to find the length of b
/61
b
6
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Ответ:
By substitution, we have
A = 1/2 × (19 + 23)14
= 1/2 × 14(19 + 23)
= 1/2 × 14(42)
= 7(42)
= 294 sq. cm