Question

the radius of the circle is 2.1 cm what is the length of the longest chord of the circle​

Answer 1

Answer:

length of longest chord=diameter

diameter=radius*2

2.1*2 = 4.2  

Step-by-step explanation:

Answer 2

radius = 2.1

as we know , longest chord is diameter

and diameter = 2×radius

=2× 2.1

= 4.2