Boot Camp Day 5: Triangles

What is the measure of Angle A?

• 12.25°

• 23.5°

• 38.75°

• 51.25°

What is the measure (in degrees) of the exterior angle? Write your answer as a decimal.

Which of the following lists the angles of the triangle from smallest to largest?

• ∠B, ∠C, ∠A

• ∠A, ∠C, ∠B

• ∠C, ∠B, ∠A

• ∠B, ∠A, ∠C

DE is a midsegment of Triangle ABC. What is BC?

• 6

• 17.5

• 35

• 50

What is the perimeter of the triangle?

(Enter only the number; don't include the word inches)

Point D is the centroid of Triangle ABC and DE = 6. What is CD?

• 4

• 6

• 12

• 18

What is the value of x?

• 6

• 9.75

• 17.25

• 30

Which of the following segment lengths form an acute triangle?

• 9, 12, 15

• 3, 6, 7

• 7, 10, 12

• 11, 14, 18

Which of the following statements are true regarding triangle ?

Select all that apply.

• m∠B = 30°

• m∠B − m∠A = m∠C

• AC = 2

• CB = 4√3

BE is a midsegment of Triangle ACD. What is the perimeter of trapezoid BCDE?

• 14 m

• 20 m

• 28 m

• 31 m