pvmmjm2k8h pvmmjm2k8h
  • 22-01-2021
  • Mathematics
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I need help with this ASAP so could you please help me

I need help with this ASAP so could you please help me class=

Respuesta :

absor201
absor201 absor201
  • 22-01-2021

Answer:

The area of a triangle is: A = 23.2 cm²

Step-by-step explanation:

Given

a = 10 cm

b = 9 cm

The angle ∠C = 31°

To determine

Area of the triangle

Using the formula to determine the area of the triangle

Area = 1/2bc sin C

substituting a = 10, b = 9, and m∠C = 31°

Area = 1/2 × 9 × 10 × sin 31°

Area = 1/2(90) sin 31°

Area = 45 × sin 31°

Area = 23.2 cm²

Therefore, the area of a triangle is: A = 23.2 cm²

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