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lorasvet [3.4K]
4 years ago
11

Find the value of a. Picture below

Mathematics
2 answers:
Arada [10]4 years ago
8 0

Use the Pythagoream theorem. Note that 20 is the longest side, and is c

a² = c² - b²

c = 20, b = 12, a = a

Plug in corresponding numbers to corresponding variables

a² = (20)² - (12)²

Simplify

a² = 400 - 144

Simplify. Combine like terms

a² = 256

Isolate the a. Root both sides

√a² = √256

a = √256

a = 16

----------------------------------------------------------------------------------------------------------------

16 is your answer for a

----------------------------------------------------------------------------------------------------------------

hope this helps

Klio2033 [76]4 years ago
6 0
The answer is A=58 i think
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