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Find the area of ABC to the nearest tenth

Find the area of ABC to the nearest tenth-example-1

1 Answer

4 votes

Answer:

A ≈ 102.0 cm²

Explanation:

the area (A) of the triangle is calculated as

A =
(1)/(2) × b × c × sinA ( substitute the given values )

A =
(1)/(2) × 18 × 22 × sin31° = 9 × 22 × sin31° = 198 × sin31° ≈ 102.0 cm²

User Friendlygiraffe
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