Advertisements
Advertisements
प्रश्न
The diagonal of a square is 12 cm long; find its area and length of one side.
Advertisements
उत्तर
Let side of square = a cm
diagonal = 12 cm
By Pythagoras Theorem, a2 + a2 = (12)2
2a2 = 144
a2 = 72
Area of square = a2 = 72 cm2
a2 = 72
a = `sqrt(72)` = 8.48 cm
APPEARS IN
संबंधित प्रश्न
A path of uniform width, 3 m, runs around the outside of a square field of side 21 m. Find the area of the path.
Tahir measured the distance around a square field as 200 rods (lathi). Later he found that the length of this rod was 140 cm. Find the side of this field in metres.
Bajinder runs ten times around a square track and covers 4 km. Find the length of the track.
The perimeter of a square garden is 48 m. A small flower bed covers 18 sq m area inside this garden. What is the area of the garden that is not covered by the flower bed? What fractional part of the garden is covered by flower bed? Find the ratio of the area covered by the flower bed and the remaining area.
A piece of string is 30 cm long. What will be the length of each side if the string is used to form a square?
Find the cost of fencing a square park of side 250 m at the rate of ₹ 20 per metre.
Sweety runs around a square park of side 75 m. Bulbul runs around a rectangular garden with a length of 60 m and a breadth of 45 m. Who covers less distance?
What is the formula for the perimeter of a square with each side of length s units?
If the perimeter of a square is 36 cm, what is the length of one side?
Which statement is always true for a square?
