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HELP ive tried like4 times

HELP ive tried like4 times-example-1

1 Answer

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Answer:

B'C' = 16.2 and AB = 2.8

Explanation:

the scale factor is 3 , then sides of Δ A'B'C' are 3 times Δ ABC

B'C' = 3 × BC = 3 × 5.4 = 16.2 units

Then

the sides of Δ ABC are
(1)/(3) times Δ A'B'C'

AB = A'B' ÷ 3 = 8.2 ÷ 3 ≈ 2.7 units ( to the nearest tenth )

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