sabrinascaman18 sabrinascaman18

07-01-2019
Mathematics

contestada

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

Respuesta :

jimrgrant1 jimrgrant1

07-01-2019

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 = [tex]\frac{1}{2}[/tex]ac sin B

= 0.5 × 4 × 13 × sin 17° ≈ 7.6

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