2D Mensuration || 31.05.2021

The length and the breadth of a rectangular field are 90m and 40m respectively. Outside the field, a path of 10m width is made around the field. Find, how many tiles of dimension 30cm×20cm are required to pave the path?

In the adjoining figure a parallelogram ABCD is shown. AB=24am and AO=BO=13cm. Find BC

From a point lying inside an equilateral triangle, three perpendiculars are drawn on each side. If the lengths of these perpendiculars is 3 cm, 4 cm, and 5 cm, then what is the area (in square cm) of the triangle?

In the given figure Δ PQR is an equilateral Δ and circle with center o and o' are of radius 9cm & 4cm respectively. Find the area of shaded portion.

The perimeter of an isosceles triangle is 90 cm. If the base is 26 cm, then find the length of the equal sides.

If the lengths of the diagonals of a rhombus are 24 cm and 32 cm respectively, then the perimeter of the rhombus is

The lengths of the parallel sides of a trapezium are 51 cm and 21 cm, and that of each of the other two sides is 39 cm. What is the area (in cm²) of the trapezium?

In a trapezium PQRS, PQ||RS and diagonals PR and QS intersect at O. If PQ = 2RS and RS = 2.5 cm and area of triangle SOR = 6.25 cm², then find the area of triangle POQ:

What is the ratio of the inradius and circumradius of a square?