Crystal520 Crystal520

22-11-2019
Mathematics

contestada

2 Find the radius and diameter of a circle of area:
a) 6.16 cm²
b) 13.86 cm²

Respuesta :

prithak4 prithak4

22-11-2019

Answer:

A.

Area = 6.16cm^2

by using Formula,

A=πr^2

6.16=3.14*r^2

r=1.4cm

now,

D=2*r

=2*1.4

=2.8 CM

B

A=13.86

now,

A=πr^2

13.86=3.14*r*r

4.41=r^2

r=2.1

D=2.1*2

=4.2 cm

Answer Link

Otras preguntas

Amia went to a flower farm and picked fff flowers. When she got home, she put the flowers in 4 vases, with 22 flowers in each vase. Write an equation to describ

How do I find the missing pairs ?

In most energy sources, such as fossil fuels, where is the energy originally derived from? the Sun the Earth's core the magnetic poles the ocean currents

A weightlifter Lifes 1250 in barbell to him in three seconds how much power was used to lift the barbell

Do you think that the home meal replacement (hmr) trend in the united states is a positive one?

It generally recommended that athletes consume approximately ______ percent of their day calories from fat

?? Help with this one

Please help! When determining the quotient of two numbers written in scientific notation, ________ the base numbers and __________ the exponents of the powers o

Helppppppppp? ASAP !!! Like I really do

Sheila runs 5 miles in 3 hours. The next month she runs 18.75 miles in 3 hours. What is her percent of increase?