Page 182 - NUMINO_WB_5A

154-B4-2

2. Write the missing numbers.

Example Since the area of the triangle is
6 cm 6 2 21 cm2,

the base length is 7 cm.

cm

a. b.

cm cm

8 cm 9 cm
Area: 24 cm2 Area: 36 cm2
c. d.

5 cm 6 cm

cm cm
Area: 20 cm2 Area: 15 cm2