Question

ch 10 circles theorems class 9 explain it ​

Answer 1

Answer:

equal chords are equidistant from the centre and converse of it

straight line from the centre bisect it and it's converse

equal arcs subtend equal angle ate centre and that's all

focus on the sum it's a quiet easy chap and follow ml aggarwal

Answer 2

Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre. ... Density can also be expressed as kilograms per cubic metre (in MKS or SI units).