MATHS 1 Marks Question

On a page in your book, draw a rectangular border that is 1 cm from the top and bottom and 1.5 cm from the left and right sides. What is the perimeter of the border?

What is the area of Shape A as compared to Shape G? Is it twice as big? Four times as big?
[Hint: In the tangram pieces, by placing the shapes over each other, we can find out that Shapes A and B have the same area, and Shapes C and E have the same area. You would have also figured out that Shape D can be exactly covered using Shapes C and E, which means Shape D has twice the area of Shape C or Shape E, etc.]

Find the perimeter of an equilateral triangle with each side equal to 11 cm.

Find the cost of fencing of a rectangular field at the rate of ₹ 18 per metre. The length and breadth of the field are 45 m and 30 m respectively.

Find the perimeter of a rectangle whose length is 1.5 m and breadth is 90 cm

Find the perimeter of a rectangle having its length and breadth as 15 cm and 12 cm respectively.

Which of the following is the perimeter of a rectangle whose sides are 10 cm and 8 cm?
(i) 80 cm
(ii) 36 cm?

A wire of length ‘a’ cm is in the form of a rectangle. If it is bent in the form of a square, what is the perimeter of that square?

The side of the square is 4 cm. Are its area and perimeter equal numerically?

What do we call a figure having all of its sides and angles equal?