Answer:
h²=p²+b²
(19)²-(9)²=b²
361-81= b²
b²=280
b= √280
:. b=+-16.733
16.7
Explanation:
We can use the Pythagorean Theorem + = . So we write the equation below and solve for b.
+ =
81 + = 361
= 280
b = 16.7
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