Basic Geometry

If < 1 measures 160 degrees, what is the measure of < 2?

• 160

• 180

• 20

• 30

Select ALL that are true.

• The third angle in the triangle measures 69 degrees.

• x = 69

• x = 111

• x equals 75 plus 36

Identify the m<DAC.

• 133⁰

• 90⁰

• 33⁰

• 43⁰

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary, 15

• Supplementary, 16

• Complementary, 18

• Supplementary, 19

What is the area of a triangle with base 10 units and height 5 units?

The angles of a triangle are in the ratio 1:2:3. What is the measure of the largest angle?

• 90 degrees

• 60 degrees

• 45 degrees

• 108 degrees

What is the perimeter?

• 12

• 15

• 18

• 3

This is what kind of angle?

• obtuse

• right

• straight

• acute

< A and < B are complementary. If <A measures 30 degrees, what is the measure of <B?

• 30

• 50

• 60

• 150

The measures of supplementary angles add up to_______.

• It depends on the angles.

• 360

• 180

• 90