tamarmj65
tamarmj65 tamarmj65
  • 27-05-2020
  • Mathematics
contestada

I need help with the third part of number 2 please!

I need help with the third part of number 2 please class=

Respuesta :

duskism
duskism duskism
  • 27-05-2020

Answer: 21.8

Step-by-step explanation:

Pythagorean Theorem = a^2 + b^2 = c^2

5^2 + b^2 = 10^2

25 + b^2 = 100

b^2 = 75

b = 8.7

area = 1/2bh

1/2 5x8.7

1/2 43.5

21.8

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