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VladimirAG [237]
3 years ago
8

How do I find the circumference and the area of a circle with a diameter of 6 cm while using the value 3.14 without rounding my

answer??
Mathematics
2 answers:
AlexFokin [52]3 years ago
6 0
Then it is just 6pi, because pi is infinite
natka813 [3]3 years ago
6 0

Answer:

Circumference = 18.84cm

Area = 28.26cm^2

Step-by-step explanation:

Circumference of a circle

= 2pi r

Pi = 3.14

Radius r = diameter/2 = 6/2 = 3

Therefore

Circumference = 2 x 3.14 x 3

= 18.84cm

Now, area of a circle = pi r2

r = 3 cm

Pi = 3.14

Area = 3.14 x 3^2

= 3.14 x 3 x 3

= 28.26cm^2

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James gathered 12kg of nuts more than Henry gathered. What
docker41 [41]

Answer:

<u>6 kg</u>

Step-by-step explanation:

J = mass of nuts gathered by James

H = mass of nuts gathered by Harry

J = 12 + H

J = 3H

     3H = 12 + H

3H - H = 12 + H - H

     2H = 12

       H = 6 kg

J = 18 kg

7 0
3 years ago
You are standing on a small fire tower 50 feet from a tree. You notice a squirrel in the tree. You measure the angle of depressi
irina [24]

Answer:

44.81 feet

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the right triangle ACD

Find the length side AC (height of the small fire tower)

tan(52^o)=\frac{AC}{50} ---> by TOA (opposite side divided by the adjacent side)

Solve for AC

AC=tan(52^o){50}

AC=64\ ft

step 2

In the right triangle ABE

Find the length side AB

tan(21^o)=\frac{AB}{50} ---> by TOA (opposite side divided by the adjacent side)

solve for AB

AB=tan(21^o){50}

AB=19.19\ ft

step 3

How many feet off the ground is the squirrel?

Subtract the length side segment AB from the length side segment AC

so

64-19.19=44.81\ ft

5 0
3 years ago
What do you know about the slopes of lines that are parallel? Explain
Rudiy27

Parallel lines have to have the same slope.  The must stay the same distance apart at all times to be parallel and the only way to do that is to change in exactly the same manner as they move so slope is the change in x over the change in y.  it must be the same

7 0
3 years ago
figure abcd is similar to figure mnkl if ab = 2x + 1, bc= 12, mn = 8, nk=7 and kl=13, what is the value of x​
Kruka [31]

Step-by-step explanation:

are this form 1 question??

4 0
3 years ago
How you does this you how to fine what equal one
miskamm [114]
7/16 + 3/8 + Blank = 1
7/16 + 6/16 + 3/16 = 1
convert 3/8 to 6/16 then add 7+6 which = 13
that would be 13/16 then figure out that 13+3 =16 so 13/16+3/16= 16/16 or 1
6 0
3 years ago
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