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What is the approximate perimeter of this triangle?
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What is the approximate perimeter of this triangle?

What is the approximate perimeter of this triangle?-example-1
User Dcompoze
by
4.6k points

1 Answer

6 votes

Answer:

  • 163.6 in

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

Given:

  • a = 56 in,
  • m∠A = 55°.

Find the missing sides:

  • 56/b = tan 55° ⇒ b = 56 / tan 55° = 39.21 in,
  • 56/c = sin 55° ⇒ c = 56 / sin 55° = 68.36 in.

Perimeter is:

  • 56 + 68.36 + 39.21 =
  • 163.57 ≈ 163.6 in
User Anderson Contreira
by
4.8k points
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