Exercise

Author:NCERT

NCERT Mathematics Solutions for Exercise

Simple step-by-step solutions to Exercise questions of Quadrilaterals from Mathematics Textbook of Competency Based Questions for Class IX. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercise with Hints & Solutions

HARD
9th CBSE
IMPORTANT

Constructed externally on the sides AB, AC of ABC are equilateral triangle ABX and ACY. If P, Q, R are the mid-ponts of AX, AY and BC respectively, then PQR is

HARD
9th CBSE
IMPORTANT

ABCD is a square. If P,Q, R and S are points on the sides AB, BC, CD and DA respectively, such that AP=BQ=CR=DS, then the value of SPQ is equal to

HARD
9th CBSE
IMPORTANT

Perpendiculars are drawn from the vertex of the obtuse angles of a rhombus to its sides. The length of each perpendicular is equal to a units. The distance between their feet being equal to b units. Then, the area of the thombus is

HARD
9th CBSE
IMPORTANT

ABCD is a parallelogram in which AP and BP are angle bisectors then


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HARD
9th CBSE
IMPORTANT

Perpendiculars are drawn from the vertex of the obtuse angles of a rhombus to its sides. The length of each perpendicular is equal to a units. The distance between their feet being equal to b units. Then, the area of the rhombus is

HARD
9th CBSE
IMPORTANT

In the parallelogram ABCD of the given figure, PAQ is an obtuse angle. Two equilateral triangles ABP and ADQ are drawn outside the parallelogram. Prove that CPQ is also an equilateral triangle.

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EASY
9th CBSE
IMPORTANT

If distance of two points is equal from the Y-axis and the line joining them is parallel to X-axis, then what is the sum of their abscissa?

HARD
9th CBSE
IMPORTANT

A road is passing parallel to the diagonal a square field ABCD as shown in the figure below. Two cars are moving in parallel along AE and CF. If the measure of BAE is 20° then what is the measure of BCF?

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