Area and Perimeter of Triangles

Question 1

What is the area of the equilateral triangle with the length of each side equal to a?

Revolt · Accepted Answer

C:

Question 2

Which statement about the relative areas of ΔABC and ΔXYZ is true?

Revolt · Accepted Answer

A: The area of ΔABC > the area of ΔXYZ

Question 3

Marta is making a flag with the given dimensions. The perimeter of the flag is 100 inches.

Revolt · Accepted Answer

⇒ 360: 113755; : 54

Question 4

Question 4

Revolt · Accepted Answer

54

Question 5

base and heightSAS✔ SSS

Revolt · Accepted Answer

C: ✔ SSS

Question 6

Area = 1/2bhtrigonometric area formula✔ Heron's formula

Revolt · Accepted Answer

C: ✔ Heron's formula

Question 7

29.00 square units✔ 34.98 square units35.00 square units36.24 square units

Revolt · Accepted Answer

B: ✔ 34.98 square units

Question 8

See the figure of ΔABC with auxiliary lines added.

Revolt · Accepted Answer

If c is the base of ΔABC, the height is .: CD; sin(A) = .: CD/b; Area ΔABC =: 1/2bcsin(A)

Question 9

See the figure of ΔABC with auxiliary lines added.

Revolt · Accepted Answer

C: ✔ CD

Question 10

a/ca/bCD/a✔ CD/b

Revolt · Accepted Answer

D: ✔ CD/b

Area and Perimeter of Triangles Answers