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murzikaleks [220]
3 years ago
12

Please help me with this!!

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
7 0

angle QRP=180-(64+47)

=69°

Using sin rule,

p/sinP=q/sinQ.

7.6/sin64=q/sin47

q=6.2cm

Using the formula;

area=1/2p*qsinR

we have;

1/2×7.6×6.2×sin69°=21.995

answer= 22

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