Page 159 - NUMINO_WB_5B
P. 159
091-B5-1
The Area of a Figure
1. Answer each question.
Example
Point D is located at 1 of AB. Find the area of the colored part.
4 A
4 cm
D
B 6.4 cm C
If line AB is the base, then the base of colored triangle is 1 of the original
4
1
base. Therefore, the area of the colored triangle is 4 of the original area
of the triangle.
ABC
BCD
Therefore, the area of the colored triangle is
a. Point D is located at 1 of line b. Point D is located at 1 of line
3 4
segment AC. What is the area segment BC. What is the area
of the colored triangle? of the colored triangle?
A A
D
5 cm 6.4 cm
D
B 4.8 cm C
B 3.5 cm C
The Area of a Figure
1. Answer each question.
Example
Point D is located at 1 of AB. Find the area of the colored part.
4 A
4 cm
D
B 6.4 cm C
If line AB is the base, then the base of colored triangle is 1 of the original
4
1
base. Therefore, the area of the colored triangle is 4 of the original area
of the triangle.
ABC
BCD
Therefore, the area of the colored triangle is
a. Point D is located at 1 of line b. Point D is located at 1 of line
3 4
segment AC. What is the area segment BC. What is the area
of the colored triangle? of the colored triangle?
A A
D
5 cm 6.4 cm
D
B 4.8 cm C
B 3.5 cm C
