saigekalk saigekalk
  • 24-07-2020
  • Mathematics
contestada

Please help with step by step. Thank you.

Please help with step by step Thank you class=

Respuesta :

mlarsen5000
mlarsen5000 mlarsen5000
  • 24-07-2020

Answer:

A) 90 degrees

B) 110 degrees

C) 78.5 in. sq.

D) 15.3 in. sq.

Step-by-step explanation:

A) 90 degrees by the two-tangent theorem

B) 360-90-90-70=110

C) A=pi r-squared

A=3.14x5x5

A=78.5

D) 70/360=0.1944

78.5x0.1944=15.3

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