Question

The diagram shows a parallelogram. 4 cm 7 cm 100° Work out the area of the parallelogram. Give your answer to 2 significant figures.
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Answer 1

Answer:

Answer:

27.44 square cm

Step-by-step explanation:

If the length of parallelogram is a and b and angle between side a and b is .

Then area of parallelogram =

Given side length 4 cm and 7 cm

angle between them = 100°

value of sin(100°) = 0.98

Thus, area of given parallelogram = 4*7*sin(100°) = 28*0.98 = 27.44

Thus, area of given parallelogram is 27.44 square cm.

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