Question

find the circumference of garden having diameter 15.4​

Answer 1

Answer:

The radius of the circle =15.4cm

we know that

circumference of the circle=2πr

=2.π×15×4

=2×

7

22

×15×4

=96.8cm

∴ circumference of the circle =96.8cm

Answer 2

$\huge\color{orange}\boxed{\colorbox{black}{\tt{☣ANSWER☣}}}$

Diameter : 15.4

Radius : 15.4 ÷ 2 = 7.7

★Formula used :

• $\huge\boxed{\colorbox{lime}{area = 2πr }}$

Solution :-

$\implies2 \times \frac{22}{7} \times 7.7$

$\implies \frac{44}{7} \times 7.7$

$\implies44 \times 1.1$

$\implies48.4$