Area and Perimeter of Triangles

Question 1

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 2

See the figure of ΔABC with auxiliary lines added.

Revolt · Accepted Answer

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

Question 3

a/ca/bCD/a✔ CD/b

Revolt · Accepted Answer

✔ CD/b

Question 4

1/2absin(C)1/2acsin(B)✔ 1/2bcsin(A)

Revolt · Accepted Answer

✔ 1/2bcsin(A)

Question 5

Question 113755

Revolt · Accepted Answer

36.7

Question 6

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 7

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

Revolt · Accepted Answer

The area of ΔABC > the area of ΔXYZ

Question 8

Question 113758

Revolt · Accepted Answer

54

Question 9

How much material, in square inches, is needed to make the flag?

Revolt · Accepted Answer

360; 54

Question 10

Question 113760

Revolt · Accepted Answer

129.82

Area and Perimeter of Triangles Answers