Question

11. Answer the following questions:
18.8
9. The LCM of 24 and 36 is 48 and hence find their HCF.
10. Find the roots of the quadratic equation x + 7x +120.
11. Find the value of sin 90° + tanas.
12. Find the coordinates of the mid-point of the line segments joining the points (6,2) and (4A).
13. If A is an event of a random experiment, such that P(A): P(A) 1:2, find the value of PC).
14. If the perimeter and area of a circle are numerically equal, then find the radius of the circle.
15. Write the formula to find the volume of the sphere.
16. The perimeter of circle with centre 'O' is 24cm, the angle formed by an arc of the circle at its
centre is 30'. Find the length of the arc AB.​

Answer 1

Answer:

HCF =18

Explanation:

a=24, b=36,LCM=48 , HCF=?

a×b=LCM×HCF

HCF=a×b÷LCM

HCF=24×36÷48

HCF=18

Answer 2

Answer:

Lola

Explanation: