CONVERSE OF THE PYTHAGOREAN THEOREM

Tell whether each triangle is acute, right or obtuse

sides 9 ft, 20 ft, 14 ft

• acute

• right

• obtuse

Tell whether each triangle is acute, right or obtuse

sides 15 cm, 8 cm, 17 cm

• acute

• right

• obtuse

Tell whether each triangle is acute, right or obtuse

sides 12 in, 10 in, 8 in

• acute

• right

• obtuse

Tell whether each triangle is acute, right or obtuse

sides 20 m, 8m, 19 m

• acute

• right

• obtuse

Tell whether each triangle is acute, right or obtuse

sides 16 ft, 30 ft, 34 ft

• acute

• right

• obtuse

Tell whether each triangle is acute, right or obtuse

sides 80 mi, 78 mi, 5 mi

• acute

• right

• obtuse

Determine if a triangle can be formed with the given lengths. If so, classify the triangle.

8,9,12

• yes, acute

• yes, right

• yes, obtuse

• no triangle can be formed

• yes, acute

• yes, right

• yes, obtuse

• no triangle can be formed

Determine if a triangle can be formed with the given lengths. If so, classify the triangle.

8, 13, 20

• yes, acute

• yes, right

• yes, obtuse

• no triangle can be formed

• yes, acute

• yes, right

• yes, obtuse

• no triangle can be formed