Pythagorean Theorem Special Right Triangles and Trigonometry

In triangle CDB, which of the following is the value of angle B?

• 45°

• 60°

• 30°

• 90°

Find the value of x.

Select the two given patterns for the angles included in special right triangles.

Select all the set of angles included in special right triangles.

• 45º-45º-90º

• 45º-60º-90º

• 45º-45º-180º

• 30º-60º-90º

To easily solve for the composite figures of right triangles, what is the first step to do?

• illustrate

• write the given

• separate the triangles

• none of the above

Which of the following is the value of tan 142º43' in functions of obtuse angles?

• 0.7163

• -0.7163

• 0.7613

• -0.7613

The ___________ relates the sides of a right triangle.

• Special triangle

• 30-60-90 degrees triangle

• 45-45-90 degrees triangle

• Pythagorean theorem

The Pythagorean Theorem works only on which triangle?

• Scalene

• Right

• Isosceles

• All triangles

Solve for x.

• 9

• 4

• 5

• 14

What is the final step in solving this work for c?

• Divide both sides by 2

• Take the square root of both sides

• None