Question

Please help me with this!!

Answer 1

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