A square field has an area of 81 m²
(a) What is the length of each side?
(b) Find the perimeter of the field.
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Answer:
ᴀ) ʟᴇɴɢᴛʜ ᴏғ ᴇᴀᴄʜ sɪᴅᴇ ɪs 9ᴍ
ʙ) ᴘᴇʀɪᴍᴇᴛᴇʀ ᴏғ ᴛʜᴇ ғɪᴇʟᴅ ɪs 36ᴍ
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Given that:
- A square field has an area of 81 m².
To Find:
- What is the length of its side?
- Find the perimeter of the field.
Formula used:
- Area of a square = Side × Side
- Perimeter of a square = 4 × Side
Finding the length of its side:
According to the question.
ㅤ↠ㅤ81 = Side × Side
ㅤ↠ㅤ9² = (Side)²
ㅤ↠ㅤ9 = Side
ㅤ↠ㅤSide = 9
Finding the perimeter of the field:
ㅤ↠ㅤPerimeter = 4 × 9
ㅤ↠ㅤPerimeter = 36
Hence,
- The length of the side of the field is 9 m.
- The perimeter of the field is 36 m.
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