Diagonal of a given square is 4√2 cm. What is the diagonal of the other square whose area is double of the given square?

Area of a equilateral triangle is 400√3 sq.m. then perimeter is-

A circular grass field of diameter 42 m is surrounded by a path of width 3.5 m. What will be the cost of graveling the path at the rate ₹ 4 square meter?

O, G, I and H are respectively the circumcentre, centroid, incentre and orthocentre of an equilateral triangle. Which of these points are identical?

ΔABC ~ ΔPQR. The perimeters of ΔABC and ΔPQR are 72 cm and 43.2 cm, respectively. What is the ratio of the are area of ΔABC to the area of ΔPQR?

A circle circumscribes a rectangle with sides 16 cm and 12 cm. What is the area of the circle?

The area of an equilateral triangle is 25√3 cm², then its perimeter is –

Chords AB and CD of a circle intersect externally at P. If CD = 11.6 cm, PD = 6.4 cm and PB = 7.2 cm, then AB (in cm) is equal to: