Question

∆ ABC ⁓ ∆DEF. If BC = 5 cm, EF = 7.5 cm and A(∆ DEF) = 45 cm², then A(∆ABC) =________

1 point


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Answer 1

Step-by-step explanation:

area of ∆DEF/∆ABC=EF*2/BC*2

45/∆ABC=7.5*2/5*2

45/∆ABC=56.25/25area of ∆ABC=25*45/56.25=20