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Area of Plane Figures - JSS3 Mathematics Past Questions and Answers - page 2

11

Calculate the area of a triangle with a base of 12 units and a height of 8 units.

A

80 square units

B

48 square units

C

72 square units

D

96 square units

correct option: c
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12

What is the correct formula for the area of a parallelogram?

A

Area=base×height

B

Area=½×base×height

C

Area=𝜋×radius^2

D

Area=⅓×base×height

correct option: a
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13

Find the area of a parallelogram with a base of 6 units and a height of 7 units.

A

42 square units

B

36 square units

C

49 square units

D

28 square units

correct option: c
Users' Answers & Comments
14

Calculate the area of a triangle with a base of 9 units and a height of 5 units.

Area=½×base×height

Area=½×9×5

Area=½×45

Area=22.5 square units

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15

Find the area of a parallelogram with a base of 12 units and a height of 6 units.

Area=base×height

Area=12×6

Area=72 square units

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16

Determine the area of a trapezium with base 1 of 7 units, base 2 of 5 units, and a height of 4 units.

Area=1/2×(base1+base2)×height

Area=1/2×(7+5)×4

Area=½×12×4

Area=24 square units

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17

Calculate the area of a circle with a radius of 6 units (use 𝜋=3.14).

Area=𝜋×radius^2

Area=3.14×6 ^2

Area=3.14×36

Area=113.04 square units

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18

What is the area of a triangle with a base of 15 units and a height of 8 units?

Area=½×base×height

Area=½ ×15×8

Area=½×120

Area=60 square units

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19

Find the area of a parallelogram with a base of 10 units and a height of 9 units.

Area=base×height

Area=10×9

Area=90 square units

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20

Determine the area of a trapezium with base 1 of 9 units, base 2 of 7 units, and a height of 6 units.

Area=1/2×(base 1+base2)×height

Area=1/2×(9+7)×6

Area=1/2×16×6

Area=48 square units

Users' Answers & Comments
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