4 years ago

If a = 4 ft, c = 13 ft, and m∠B = 17°, what is the approximate area of ABC?

Mathematics

1 answer:

andre [41]4 years ago

8 0

Answer:

7.6 ft² ( to 1 dec. place )

Step-by-step explanation:

given 2 sides of a triangle and the angle between them, the area (A) is calculated using the formula

A = $\frac{1}{2}$ ac sin B

= 0.5 × 4 × 13 × sin 17° ≈ 7.6

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