Question

1. if a rectangle with dimensions 3 cm by 7 cm is dilated by a scale factor of 2, what are the new dimensions? a. 4.5 cm by 10.5 cm b. 6 cm by 14 cm c. 9 cm by 21 cm d. 12 cm by 28 cm

Explanation:

Step1: Multiply length by scale factor

$3\times2 = 6$ (cm)

Step2: Multiply width by scale factor

$7\times2=14$ (cm)

Answer:

B. 6 cm by 14 cm