Unit 4 Lesson 1-5 Practice

Front

What is the measure of the missing angle in a triangle if two angles are 90 and 40 degrees?

Back

50 degrees

Front

What is the length of the adjacent side in a right triangle if the opposite side is 8 and the hypotenuse is 17?

Back

15 units

Front

What is the side across from the right angle called?

Back

Hypotenuse

Front

Find the length of AB if the coordinates of A are (1, 2) and B are (1, 7).

Back

AB = 5 units

Front

Find the length of the missing side x in a right triangle if one side is 10 and the hypotenuse is 17. Round your answer to 1 decimal place.

Back

x = 10.3 cm

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a right triangle?

Back

A triangle with one angle measuring 90 degrees.

Front

What is the formula to find the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the relationship between the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What is the definition of adjacent sides in a triangle?

Back

Sides that share a common vertex.