Question

if a triangle with sides 5 cm, 12 cm, and 13 cm is dilated by a scale factor of 0.5, what are the new side lengths?
a. 5 cm, 12 cm, 13 cm
b. 2.5 cm, 6 cm, 6.5 cm
c. 2 cm, 6 cm, 6 cm
d. 10 cm, 24 cm, 26 cm

Explanation:

Step1: Multiply first side

$5\times0.5 = 2.5$ (cm)

Step2: Multiply second side

$12\times0.5=6$ (cm)

Step3: Multiply third side

$13\times0.5 = 6.5$ (cm)

Answer:

B. 2.5 cm, 6 cm, 6.5 cm