3 years ago

What is the perimeter of ABC, shown? A. 18.83 B. 204.7 C. 29.04 D. 34.5

2 answers:

8 0

The answer is C. 29.04
You use the Pythagorean theorem for the diagonal side because it’s a right triangle then you add all the sides and get C

svetlana [45]3 years ago

6 0

Answer:

Option C - 29.04

Step-by-step explanation:

A to C is 9

A to B is 8

C to B is ?

$a^{2} + b^{2} = c^{2}\\ 9^{2} + 8^{2} = c^{2}\\81 + 64 = 145\\c = \sqrt{145} \\c = 12.04$

Perimeter = a + b + c

= 9 + 8 + 12.04

= 29.04

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