Page 56 - NUMINO TB_4B
P. 56
150_G4U21_G4U28˙—» ¿º 2011.3.23 5:10 PM ˘ ` 45 PDF_In 2540DPI 150LPI T
2 . Find the length unknown side of each figure. 9m
a. b.
Area of cm m Area of a rectangle
a square
27 m2
25 cm2
cm d. ft
c.
Area of a Area of ft
a square
in. rectangle
81 ft 2
35 in2.
5 in.
e. yd f.
Area of a rectangle 2 yd Area of a km
24 yd2 square
16 km2
km
3 . Solve each word problem.
a. A garden in the shape of a square has an area of 49 ft2.
What is the length of the garden?
b. Ann is drawing a rectangle, which has the width of 4 cm.
The rectangle has the same area as the square, which has the length
of 6 cm. What is the length of the rectangle that she is drawing?
21. Unit Area 45
2 . Find the length unknown side of each figure. 9m
a. b.
Area of cm m Area of a rectangle
a square
27 m2
25 cm2
cm d. ft
c.
Area of a Area of ft
a square
in. rectangle
81 ft 2
35 in2.
5 in.
e. yd f.
Area of a rectangle 2 yd Area of a km
24 yd2 square
16 km2
km
3 . Solve each word problem.
a. A garden in the shape of a square has an area of 49 ft2.
What is the length of the garden?
b. Ann is drawing a rectangle, which has the width of 4 cm.
The rectangle has the same area as the square, which has the length
of 6 cm. What is the length of the rectangle that she is drawing?
21. Unit Area 45
