2 years ago

Help please.............

1 answer:

8 0

The answer is 2442.81 may i please get brainliest

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devlian [24]

Answer:

$A=1347.7\ cm^2$

Step-by-step explanation:

Given that,

Radius of a cone, r = 13 cm

Slant height of the cone, l = 20 cm

We need to find the surface area of the cone. The formula for the surface area of the cone is given by :

$A=\pi rl +\pi r^2$

Put all the values,

$A=\pi r(l + r)\\\\A=\pi \times 13(20 + 13)\\\\A=1347.7\ cm^2$

So, the surface area of the cone is $1347.7\ cm^2$ .

5 0

2 years ago

dimaraw [331]

First you want to change the fractions to the same denominator
3/4 = 9/12 and 2/3 = 8/12
then you put it in ratio form...
the answer is 9:8

8 0

3 years ago

UkoKoshka [18]

3/7 is the correct answer

7 0

3 years ago

likoan [24]

Oh hi lol lol i’m yea lol lol i’m is it a joke like why he

8 0

3 years ago

nlexa [21]

Answer:.81 , 81%,81/100

5 0

2 years ago