Geometry test #1 Review

Given the algebraic expressions for the angles of a triangle:

Angle A = 3x + 10

Angle B = 2x + 20

Angle C = 4x - 30

Which type of triangle is formed by these angle measurements?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right triangle

Tags

CCSS.8.G.A.5

In a triangle with algebraic angle measurements, find the value of x.

In triangle ABC, the angle measurements are represented algebraically as follows:

Angle A = 2x + 10

Angle B = 3x - 20

Angle C = 4x + 30

To find the value of x, which equation should you set up and solve?

• 2x + 10 + 3x - 20 + 4x + 30 = 180

• 2x + 10 = 3x - 20 = 4x + 30

• 2x + 10 = 180

• 3x - 20 = 180

Tags

CCSS.8.G.A.5

Find <nkl

• 60

• 120

• 180

• 300

Tags

CCSS.8.G.A.5

What is the measure of each interior angle of a regular pentagon

• 60

• 123

• 108

• 25

What is the sum of the interior angles of a hexagon?

• 360

• 540

• 720

• 900

What is the sum of the interior angles of a pentagon?

• 360

• 540

• 720

• 900

two parallel lines (l and m) are cut by a transversal (t). Find the value of angle "x," an alternate exterior angle, represented algebraically.

Given that:

Angle 1 is 3x - 10 degrees

Angle 2 is 2x + 20 degrees

What is the value of angle "x," which represents an alternate exterior angle?

• x = 10 degrees

• x = 15 degrees

• x = 30 degrees

• x = 25 degrees

Tags

CCSS.8.G.A.5