Finding Missing Sides in Right Triangles

Find the missing side in the right triangle. Write your answer in simplest radical form if necessary.

• A

• B

• C

• D

What strategy would you use to find the length of the indicated side?

• Pythagorean Theorem

• Sine Ratio

• Cosine Ratio

• Tangent Ratio

What strategy would you use to find the length of the indicated side?

• Pythagorean Theorem

• Sine Ratio

• Cosine Ratio

• Tangent Ratio

What strategy would you use to find the length of the indicated side?

• Pythagorean Theorem

• Sine Ratio

• Cosine Ratio

• Tangent Ratio

The hypotenuse of a right triangle is 18cm. One of the legs is 11cm. Find the length of the other leg.

• 12.4 cm

• 21.1 cm

• 14.2 cm

• Not enough information

In a right triangle, if a = 8 and c = 17, what is the correct setup to find the value of b?

you SUBTRACT c² and b² then take the square root to find a on a right triangle.

• true

• false

What strategy would you use to find the length of the indicated side?

• Pythagorean Theorem

• Sine Ratio

• Cosine Ratio

• Tangent Ratio

What strategy would you use to find the length of the indicated side?

• Pythagorean Theorem

• Sine Ratio

• Cosine Ratio

• Tangent Ratio

What strategy would you use to find the length of the indicated side?

• Pythagorean Theorem

• Sine Ratio

• Cosine Ratio

• Tangent Ratio