JSS 1 Mathematics Flashcards: Properties and Perimeters of Plane Shapes

Question 1

How many equal sides does a square have?

Accepted Answer

4

Question 2

Which property distinguishes a rectangle from a general parallelogram?

Accepted Answer

A rectangle has four right angles.

Question 3

How many sides does a triangle have?

Accepted Answer

3

Question 4

A trapezium has at least one pair of ____ sides.

Accepted Answer

parallel

Question 5

Which plane shape has no straight side or vertex?

Accepted Answer

circle

Question 6

Find the perimeter of a square with side 7 cm.

Accepted Answer

28 cm

Question 7

Find the area of a square with side 9 cm.

Accepted Answer

81 cm²

Question 8

Find the perimeter of a rectangle 12 cm long and 5 cm wide.

Accepted Answer

34 cm

Question 9

Find the area of a rectangle 12 cm long and 5 cm wide.

Accepted Answer

60 cm²

Question 10

A triangle has sides 6 cm, 8 cm and 10 cm. Find its perimeter.

Accepted Answer

24 cm

Question 11

A parallelogram has adjacent sides 9 cm and 4 cm. Find its perimeter.

Accepted Answer

26 cm

Question 12

Find the area of a parallelogram with base 11 cm and perpendicular height 6 cm.

Accepted Answer

66 cm²

Question 13

Using $\pi=22/7$, find the circumference of a circle of radius 7 cm.

Accepted Answer

44 cm

Question 14

Using $\pi=22/7$, find the area of a circle of radius 7 cm.

Accepted Answer

154 cm²

Question 15

A rectangle has area 72 cm² and length 9 cm. Find its width.

Accepted Answer

8 cm

Question 16

A square has perimeter 36 cm. Find its side length.

Accepted Answer

9 cm

Question 17

Which measurement is needed with the base to find a parallelogram’s area?

Accepted Answer

perpendicular height

Question 18

Which formula gives the area of a rectangle?

Accepted Answer

$l\times w$

Question 19

A square and a rectangle both have perimeter 24 cm. The square side is 6 cm; the rectangle is 8 cm long. What is the rectangle’s width?

Accepted Answer

4 cm

Question 20

Why is perimeter measured in centimetres while area is measured in square centimetres?

Accepted Answer

Perimeter measures length; area measures surface coverage.

Strong work.