URGENT 30 POINTS!!!
Which is the area, A, of this triangle, using the formula A=12ab⋅sin(C)?
1 answer:
Answer:
A = 1/2 *14*21 sin 88
A =146.910 in^2
Step-by-step explanation:
A=12ab⋅sin(C)
We know a = 14 and b =21
We need to find c
A +B + C = 180
50+42 +C = 180
92+C = 180
C =88
A = 1/2 *14*21 sin 88
A =146.910
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