Concise Mathematics>Chapter 28 - Revision Paper-1>Revision Paper-1>Q 11

HARD

10th ICSE

IMPORTANT

Earn 100

A conical tent is to accommodate $11$ persons. Each person must have $4 sq .$ m of the space on the ground and $20$ cubic metre of air to breath. Find the height of the cone.Use $π = \frac{22}{7}$

Important Questions on Revision Paper-1

MEDIUM

10th ICSE

IMPORTANT

Concise Mathematics>Chapter 28 - Revision Paper-1>Revision Paper-1>Q 11

If two angles

A

and

B

are acute such that

2 \sin (A + B) = \sqrt{3}

and

2 \cos (A - B) = \sqrt{3}

find the values of angles

A

and

B .

HARD

10th ICSE

IMPORTANT

Concise Mathematics>Chapter 28 - Revision Paper-1>Revision Paper-1>Q 11

ABCD

is a rhombus. The co-ordinates of vertices

B

and

D

are

(4, 7)

and

(- 2, 1)

respectively. Find the equation of

AC .