Question

area of a circle is find while circumference of a circle is find​

Answer 1

Answer:

Relative clauses

Step-by-step explanation:

Answer 2

Answer:

$= > {(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab \\ = > {( a-b )}^{2} = {a}^{2} + {b}^{2} - 2ab \\ = > {a}^{2} - {b}^{2} = (a + b)(a -b )$