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If b = 9 cm, c = 7 cm, and m∠A = 66°, what is the approximate area of ABC? A) 28.78 cm2 B) 12.81 cm2 C) 14.62 cm2 D) 57.55 cm2 Thank you!

If b = 9 cm, c = 7 cm, and m∠A = 66°, what is the approximate area of ABC? A) 28.78 cm2 B) 12.81 cm2 C) 14.62 cm2 D) 57.55 cm2 Thank you!
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If b = 9 cm, c = 7 cm, and m∠A = 66°, what is the approximate area of ABC?

A) 28.78 cm2
B) 12.81 cm2
C) 14.62 cm2
D) 57.55 cm2

Thank you!

If b = 9 cm, c = 7 cm, and m∠A = 66°, what is the approximate area of ABC? A) 28.78 cm-example-1
User Shubhnik Singh
by
8.3k points

1 Answer

3 votes
Area of triangle ABC can be found using the formula ¹/₂ × b × c × sin (A)

Substitute b = 9, c = 7, and m∠A = 66° into the formula gives

Area = 9 × 7 × sin 66° = 57.55

ANSWER: D
User Zufar Sunagatov
by
8.2k points
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