A triangle has sides of length 7 cm and 11 cm.If the triangle is a right triangle,which of the following could be the length of the third side,to the nearest centimeter?
A)11 cm
B)8 cm
C)16 cm
D)17 cm
E)7 cm

Question

A triangle has sides of length 7 cm and 11 cm.If the triangle is a right triangle,which of the following could be the length of the third side,to the nearest centimeter?
A)11 cm
B)8 cm
C)16 cm
D)17 cm
E)​7 cm

Quizplus · Accepted Answer

For a right triangle, the Pythagorean theorem applies: a² + b² = c². If 11 cm is the hypotenuse, then 7² + x² = 11², solving gives x ≈ 8 cm.

A Triangle Has Sides of Length 7 Cm and 11