Solving Special Triangles

What is the measure of a?

• 3

• 3√3

• 6

• 3√2

What is the measure of side b?

• 5

• 10√2

• 5√2

What is the measure of angle A? Round to the nearest degree.

Emma and Alyssa are 20 miles apart and spot a UFO in the sky between them. The angle of elevation from Emma to the UFO is 15^o, and from Alyssa to the UFO is 35^o (see diagram). How far away is the UFO from Emma?

• 6.76 mi

• 12.36 mi

• 14.98 mi

• 17.59 mi

Find the exact area of the triangle

• 13.9 in²

• 13.8 in²

• 14.0 in²

• 27.9 in²

Determine which method would be most efficient for finding side v.

• SOH-CAH-TOA

• Law of Cosines

• Pythagorean Theorem

• Special Right Triangles

Determine which method would be most efficient for finding side x.

• SOH-CAH-TOA

• Law of Sines

• Pythagorean Theorem

• Special Right Triangles

Determine which method would be most efficient for finding side a.

• SOH-CAH-TOA

• Law of Sines

• Law of Cosines

• Pythagorean Theorem

Determine which method would be most efficient for finding side x.

• SOH-CAH-TOA

• Law of Sines

• Law of Cosines

• Special Right Triangles

Which part of either triangle are you able to solve for FIRST?

• Angle CBD

• Angle ABD

• Side BD

• Side AB