P6 1st term e-practice 2

The diameter of a circle is ​ (a)   times of its radius.

The radius of a circle is ​ ​ (b)   of its diameter.​ ​

• 2
• half
• 3
• 1/3
• 3.14

Which of the following is for finding the area of a circle?

Tags

CCSS.7.G.B.4

The radius is ​ (a)   cm.

The area of the circle is ​ (b)   cm².

(Take π=3.14)

• 20
• 1256
• 10
• 125.6
• 5024

Tags

CCSS.7.G.B.4

The area of this circle is ______ cm². (Take π=3.14)

Tags

CCSS.7.G.B.4

Write the expression for finding the area of the circle.(Take π=3.14)

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

• 31.4 cm²

• 78.5 cm²

• 15.7 cm²

• 62.8 cm²

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

Arrange the circles according to the area. ('1' is the greatest, '4' is the smallest.)

Circle A: Radius 6 cm

Circle B: Radius 10 cm

Circle C: Diameter 13 cm

Circle D: Circumference 31.4 cm

• Circle B

• Circle A

• Circle D

• Circle C

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4