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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
9.33 Area of Square - I

Example:
The diagonal of a square is 15 cm. Find the area of square.

Solution:
Given that,
Diagonal (d) = 15 cm.
Area of square (A) = 1/2 * d2
A = 1/2 * 152
A = 1/2 * 225
A = 112.5 sq cm.


Directions: Read the above example carefully and answer the following questions:

  1. Draw 10 different squares and label its sides. Draw the diagonals and measure their lengths. Also find their areas.

Q 1: The diagonal of a square is 16 cm. Find the area of square.
128 sq cm
168 sq cm
120 sq cm
126 sq cm

Q 2: The diagonal of a square is 14 cm. Find the area of square.
6 sq cm
8 sq cm
4 sq cm
7 sq cm

Q 3: The diagonal of a square is 169/13 cm. Find the area of square.
94.5 sq cm
60.5 sq cm
64.5 sq cm
84.5 sq cm

Q 4: Find the diagonal of the square if the area is given by 312.5 sq cm.
31 cm
41 cm
42 cm
25 cm

Q 5: Find the diagonal of the square if the area is given by 180.5 sq cm.
18 cm
12 cm
19 cm
11 cm

Q 6: The diagonal of a square is 12 cm. Find the area of square.
72 sq cm
82 sq cm
62 sq cm
42 sq cm

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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