Q. 1. Find the area of following parallelograms:
(ii)
Find the area of following parallelograms:
(i)
In Fig 11.31,
(b) Which is larger, perimeter of smaller square or the circumference of the circle?
In Fig
(a) Which square has a larger perimeter?
Convert the following:
(iv)
Convert the following:
(iii)
Convert the following:
(ii)
Convert the following:
(i)
Find the area of the following parallelograms:
(iii) In a parallelogram , and the perpendicular from on is
Q. 1. Each of the following rectangles of length 6 cm and breadth 4 cm is composed of congruent polygons. Find the area of each polygon.
Give two examples where the area does not increase when perimeter increases.
Give two examples where the area increases as the perimeter increases.
What would you need to find, area or perimeter, to answer the following?
How much plastic sheet do you need to cover a rectangular swimming pool?
What would you need to find, area or perimeter, to answer the following?
What distance would you cover by taking two rounds of a triangular park?
What would you need to find, area or perimeter, to answer the following?
Q. 2. What is the length of a wire required to fence a rectangular flower bed?
What would you need to find, area or perimeter, to answer the following?
. How much space does a blackboard occupy?
Q. 11. Find the area of the quadrilateral . Here, and
Q. 10. In the following figure, find the area of the shaded portion:
Q. 10. In the following figure, find the area of the shaded portion:
Q. 9. The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find:
(iv) the circumference of the flower bed.