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nikklg [1K]
3 years ago
11

Need help due tomorrow

Mathematics
1 answer:
Maslowich3 years ago
6 0

Answer:

Given: Δ ABC ≈ ΔDEF

therefor: A(ΔABC)/A(ΔDEF)=(BC)²/(EF)²

⇒ 34/A(ΔDEF)=9²/(13.5)²

⇒34/A(ΔDEF)=81/182.25

⇒A(ΔDEF)=34×182.25/81

<u>⇒Area of ΔDEF=76.5 cm²</u>

<u>----------------------------------</u>

<u>Hope it helps...</u>

<u>Have a great day!!!</u>

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