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

Answer image: //media.edgenuity.com/EVresources/6e420175a80193454b6c729605259e09.png

Question 2

Question 2

Revolt · Accepted Answer

54

Question 3

base and heightSAS✔ SSS

Revolt · Accepted Answer

✔ SSS

Question 4

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

Revolt · Accepted Answer

✔ Heron's formula

Question 5

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

Revolt · Accepted Answer

✔ 34.98 square units

Question 6

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 7

a/ca/bCD/a✔ CD/b

Revolt · Accepted Answer

✔ CD/b

Question 8

1/2absin(C)1/2acsin(B)✔ 1/2bcsin(A)

Revolt · Accepted Answer

✔ 1/2bcsin(A)

Question 9

⇒ 36.7

Revolt · Accepted Answer

113754

Question 10

⇒ 129.82

Revolt · Accepted Answer

113757

Area and Perimeter of Triangles Answers