Question

1. A triangle has side lengths of 34 in., 20 in., and 47 in. Classify it as acute, obtuse, or right. (1 point)
right
obtuse
acute
2. In triangle ABC, A is a right angle, and mB = 45°. Find BC. If your answer is not an integer, leave it in simplest radical form.

The diagram is not drawn to scale. (1 point)
24 ft
ft
ft
12 ft
3. Quilt squares are cut on the diagonal to form triangular quilt pieces. The hypotenuse of the resulting triangles is 18 inches long. What is the side length of each piece? (1 point)

Answer 1

question 1

use pythagoras' theorem

is

47^2 = 34^2 + 20^2

if it is true the triangle is right angled

if not

is 47^2 > 34^2 + 20^2

if true the triangle is obtuse angled

if

47^2 < 34^2 + 20^2 the triangle is acute angled.

Answer 2

did you ever get these answers... Im on this test right now!