Right Triangles Review

Find the geometric mean of 6 and 12. Leave your answer in simplest radical form.

• 3√2

• 2√6

• 2√3

• 6√2

Tags

CCSS.8.EE.A.2

Find the geometric mean of 14 and 21. Leave your answer in simplest radical form.

• 7√6

• 6√7

• √294

• 17.1

Find x.  Use "Altitude Rule".

• 3√5

• 6

• 6√5

• 4

Tags

CCSS.HSG.CO.C.9

Find y.  Use "Leg Rule".

• 3√5

• 6

• 6√5

• 4

Tags

CCSS.HSG.CO.C.9

Find z.  Use "Leg Rule".

• 3√5

• 6

• 6√5

• 4

Tags

CCSS.HSG.CO.C.9

The number 6, 9, 10 represent the sides of a triangle. Classify as right, obtuse, or acute.

• right

• obtuse

• acute

Tags

CCSS.4.G.A.2

The number 18, 24, 30 represent the sides of a triangle. Classify as right, obtuse, or acute.

• right

• obtuse

• acute

Tags

CCSS.HSG.CO.C.11

Find the value of x in simplest radical form.

• 7

• 3√17

• √149

• √51

Tags

CCSS.8.G.B.7

A helicopter lands 55 km west and 14 km north of the airport from which it departed. It followed a straight line path. How far did it travel? Round to the nearest whole number.

(a)  

Tags

CCSS.8.G.B.8

Find the side length of a 45-45-90 triangle with an 8cm hypotenuse. Leave your answer in simplest radical form.

• 4 cm

• 4√2 cm

• 8√2 cm

• 5.7 cm

Tags

CCSS.8.G.B.8