Question

3. Write the formulae given below using variables and explain what each variable represents.
(i) Area of a rectangle is obtained by multiplying length and breadth of the rectangle.
(ii) Area of a square is equal to side multiplied by the side of the square.
(iii) Area of a triangle is equal to half the product of its base and height of the triangle.
(iv) Diameter of a circle is double the length of the radius.
22
(v) Circumference of a circle (boundary of a circle) is equal to the product of
7
the diameter of the circle.
(vi) If s is the speed of a train and t the time taken to cover a distance, then the distance
is equal to the product of speed and time.
and​

Answer 1

Answer:

1. l*b

2. s^2

3. b*h /2

4. d=2r

5. c=d*22/7

6. s=d/t

Step-by-step explanation:

Answer 2

Answer:

it is a important question