1.

What is the area of square whose length of diagonal is 7.5√2 cm?1. 56.25 square cm2. 52.25 square cm3. 45.25 square cm4. 42.25 square cm

Answer» Correct Answer - Option 1 : 56.25 square cm

Given:

The length of the diagonal is 7.5√2 cm

Formula used:

Area of square = Side × Side

Diagonal of square = √2 × side

Calculation:

The length of diagonal is 7.5√2 cm

∴ 7.5√2 = √2 × side

⇒ Side = 7.5 cm

Now, Area of square = 7.5 × 7.5 = 56.25 square cm

∴ Area of square is 56.25 square cm


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