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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
9.51 Surface Area of Cube - I

Example:
The edge of a cube is 4.5 metres. Find its lateral surface area.

Solution:
Given that,
l = 4.5 metres.
The lateral surface area = 4l2.
= 4 * (4.5)2.
= 4 * 20.25
= 81 Square metres.


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: The edge of a cube is 15 metres. Find its lateral surface area.
856 Square metres
1020 Square metres
905 Square metres
2025 Square metres

Q 2: The edge of a cube is 8 metres. Find its lateral surface area.
156 Square metres
256 Square metres
265 Square metres
356 Square metres

Q 3: The edge of a cube is 18 metres. Find its lateral surface area.
1496 Square metres
1296 Square metres
1356 Square metres
1965 Square metres

Q 4: The edge of a cube is 7 metres. Find its lateral surface area.
186 Square metres
166 Square metres
196 Square metres
176 Square metres

Q 5: The edge of a cube is 4 metres. Find its lateral surface area.
34 Square metres
44 Square metres
64 Square metres
54 Square metres

Q 6: The edge of a cube is 5.6 metres. Find its lateral surface area.
115.44 Square metres
124.55 Square metres
125.44 Square metres
115.25 Square metres

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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