Question

Q.
Complete the following formulae
1. Area of circle =
2. Perimeter of pentagon=
3. Area of square =
4. Perimeter of equilateral triangle =
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Answer 1

Answer:

1. Area of circle= 2πr
2. Perimeter of Pentagon=Sum of length of all 5 sides
3. Area of square= l²
4. Perimeter of equilateral triangle=Side×3

Answer 2

1. A = π r²
2. P=5*side
3. side * side
4. 3*side