ΔABC is similar to ΔDEF is area of ΔABC is 9 sq. cm. and area of Δ – McqOptions

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1.	ΔABC is similar to ΔDEF is area of ΔABC is 9 sq. cm. and area of ΔDEF is 16 sq. cm. and BC = 21 cm. Then the length of EF will be:
A.	.6 cm
B.	.8 cm
C.	.7 cm
D.	.4 cm
Answer» C. .7 cm

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