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I can help solve these questions from *Exercise 3.1* step by step. Let's go through them:

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**1. Find the squares of the following numbers:**

- (i) \( 31^2 \)
- (ii) \( 49^2 \)
- (iii) \( 55^2 \)
- (iv) \( 121^2 \)
- (v) \( 355^2 \)
- (vi) \( 1.2^2 \)
- (vii) \( 0.016^2 \)
- (viii) \( 6.25^2 \)
- (ix) \( 12^2 \)
- (x) \( -24^2 \)
- (xi) \( 15^2 \)
- (xii) \( \frac{16}{17}^2 \)

I'll start by solving all these squared numbers. Let me calculate them for you.Here are the squares of the given numbers:

- \( 31^2 = 961 \)
- \( 49^2 = 2401 \)
- \( 55^2 = 3025 \)
- \( 121^2 = 14641 \)
- \( 355^2 = 126025 \)
- \( 1.2^2 = 1.44 \)
- \( 0.016^2 = 0.000256 \)
- \( 6.25^2 = 39.0625 \)
- \( 12^2 = 144 \)
- \( -24^2 = 576 \)
- \( 15^2 = 225 \)
- \( \left(\frac{16}{17}\right)^2 = 0.8858 \)

Would you like me to proceed with the next questions or explain any details further?

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**5 Relative Questions:**

1. What is the square of \( 0.05 \)?
2. How do we square negative numbers?
3. What is the square of a fraction like \( \frac{3}{4} \)?
4. How can you find the square root of a perfect square?
5. How does the square of decimals change as you increase or decrease their values?

**Tip:** Squaring a fraction like \( \frac{16}{17} \) means squaring both the numerator and the denominator independently!

Exercise 3.1 from the image with questions about finding squares, perfect squares, properties of squares, and identifying Pythagorean triplets.

This math exercise covers finding squares, checking for perfect squares, using properties of squares, and identifying Pythagorean triplets. Suitable for students in Grades 6-8. Step-by-step solutions are provided for problems involving basic algebra and geometry.

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