Area of Plane Figures - JSS3 Mathematics Past Questions and Answers - page 1
1
What is the formula for calculating the area of a triangle?
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A
Area=½×base×height
B
Area=baseĂ—height
C
Area=â…“Ă—baseĂ—height
D
Area=2Ă—baseĂ—height
2
Calculate the area of a triangle with a base of 8 units and a height of 6 units.
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A
14 square units
B
24 square units
C
48 square units
D
16 square units
3
What is the formula for the area of a parallelogram?
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A
Area=baseĂ—height
B
Area=½×base×height
C
Area=đťś‹Ă—radius^2
D
Area=â…“Ă—baseĂ—height
4
Find the area of a parallelogram with a base of 10 units and a height of 4 units.
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A
36 square units
B
40 square units
C
24 square units
D
14 square units
5
Find the area of a parallelogram with a base of 10 units and a height of 4 units.
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A
36 square units
B
40 square units
C
24 square units
D
14 square units
6
What is the formula for calculating the area of a trapezium?
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A
Area=½×(base1+base2)×height
B
Area=baseĂ—height
C
Area=½×base×height
D
Area=đťś‹Ă—radius^2
7
Calculate the area of a trapezium with base 1 of 6 units, base 2 of 8 units, and a height of 5 units.
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A
25 square units
B
32 square units
C
28 square units
D
18 square units
8
What is the formula for the area of a circle?
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A
Area=baseĂ—height
B
Area=½×base×height
C
Area=đťś‹Ă—radius^2
D
Area=â…“Ă—baseĂ—height
9
Find the area of a circle with a radius of 7 units (use đťś‹=3.14).
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A
154 square units
B
154 square units
C
140 square units
D
152.56 square units
10
Which formula calculates the area of a triangle correctly?
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A
Area=½×base×height
B
Area=baseĂ—height
C
Area=â…“Ă—baseĂ—height
D
Area=2Ă—baseĂ—height
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