Question

А

a) In the given figure, ABC – XCY, BC = 9 cm,
BY = 3 cm and XY = 4 cm.
Find the length of AB.
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Answer 1

AB = 12 cm

Explanation:

AB/BC = XY/BY

From the above question:

AB = ??

BC = 9cm

XY = 4cm

BY = 3 cm

AB/9 = 4/3

Cross Multiply

AB × 3 = 9 × 4

AB = 9 × 4/3

AB = 12 cm

Therefore, Length AB = 12cm