EASY
9th ICSE
IMPORTANT
Earn 100
Find the area of a triangle whose sides are cm, cm and cm
Also, find the length of altitude corresponding to the largest side of the triangle.
Important Questions on Area and Perimeter of Plane Figures
EASY
9th ICSE
IMPORTANT
The lengths of the sides of a triangle are in the ratio . Find the area of the triangle if its perimeter is cm.
MEDIUM
9th ICSE
IMPORTANT
The diagonals of a quadrilateral are and . If they intersect each other at right angles. Find the area of the quadrilateral.
MEDIUM
9th ICSE
IMPORTANT
The cost of enclosing a rectangular garden with a fence all round, at the rate of paise per metre, is . If the length of the garden is metres, find the area of the field in square metres.
EASY
9th ICSE
IMPORTANT
The width of a rectangular room is of its length, , and its perimeter is . Write an equation connecting and . Find the length of the room when the perimeter is .
EASY
9th ICSE
IMPORTANT
The shaded region of the given diagram represents the lawn in the form of a house. On the three sides of the lawn there are flower-beds having a uniform width of .
Find the length and the breadth of the lawn.
MEDIUM
9th ICSE
IMPORTANT
A floor which measures is to be laid with tiles measuring . Find the number of tiles required.
Further, if a carpet is laid on the floor so that a space of exists between its edges and the edges of the floor, what fraction of the floor is left uncovered.
EASY
9th ICSE
IMPORTANT
Two adjacent sides of parallelogram are and . If the distance between the longer sides is ; find the distance between the shorter sides.
HARD
9th ICSE
IMPORTANT
The perimeter of a rhombus is . If one diagonal is ; find the length of its other diagonal.
