Geometry Quizizz Review

• 27/36
• 27/45
• 45/36
• 45/27

Which of the following formulas shows the Law of Cosines?

• c² = a² + b² - 4ac + cosA

• c² = a² - b² - 2abcosC

• c² = a² + b² - 2abcosC

• (cos A)/a = (cos B)/b

What is the measure of angle A?

• 58 degrees

• 61 degrees

• 78 degrees

• 74 degrees

Amanda and Jamie are standing 25 feet apart and spot a bird in the sky between them.  The angle of elevation from Amanda to the bird is 55, and from Jamie to the bird is 63.  How far away is the bird from Amanda?

• 25.23

• 23.19

• 22.15

• 20.85

What do we know about the following nested isosceles triangles?

• AC = BC

• AE = CE

• AB = CB

• AE = AB

Which of the following are triangle congruence theorems?

• SSS

• SAS

• AAS

• ASA

• SSA

What is true about this triangle?

• AB = AC = BC

• Each angle is 60

What is true about isosceles triangles?

• The 2 base angles are congruent

• All sides are congruent

• It has 2 congruent angles

• All angles are congruent

• None of the sides or angles are congruent

What is the geo step?