Question

Rosa has a picture frame that measures 12 inches by 18 inches. Which measurement is closest to the diagonal distance across the frame?

A. 6 inches
B. 21.6 inches
C. 30 inches
D. 36 inches

Answer 1

B 21.6

Explanation:

You can solve this using the Pythagorean theorem:

h² = l² + w²

h² = 18² + 12²

h² = 324 + 144

h² = 468

h = √468

h ≈ 21.6

Answer 2

B:21.6

Explanation:

12²+18²=C

144+324=468

V468=21.6