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geniusboy [140]
3 years ago
13

The diagram shows a trapezium PQRS. Find the length of side PQ, in cm​

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0

Answer:

30 cm.

Step-by-step explanation:

Draw a line from R perpendicular to PQ to meet PQ at T.

RQT forms a right-angled triangle  with RT = SP = 15.

So tan 36.87 = RT / TQ

tan 36.87 =  15 / TQ

TQ = 15 / tan 36.87

=  20 cm.

Now  PT = SR = 10, so

PQ = 10 + 20

= 30 cm.

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