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tekilochka [14]
2 years ago
13

Find the area of the semicircle.

Mathematics
1 answer:
weqwewe [10]2 years ago
3 0

Step-by-step explanation:

Given

diameter (d) = 6

radius(r) = d/2 = 6/2 = 3

Now

Area of semi circle

\frac{\pi {r}^{2} }{2}

=  \frac{3.14 \times {3}^{2} }{2}

= 14.13 \: square \: units

You might be interested in
If the code for CAB is DEK, what is the code for BED?
snow_tiger [21]

Answer:

CIM

Step-by-step explanation:

C is the 3rd letter of the alphabet, A is the 1st, and B is the 2nd.

CAB = 3,1,2

Repeating for DEK:

DEK = 4,5,11

Comparing:

4−3 = 1

5−1 = 4

11−2 = 9

BED = 2,5,4, so adding the corresponding numbers:

2+1 = 3

5+4 = 9

4+9 = 13

So the code is CIM.

7 0
3 years ago
image Alan, Benton, Claire, and Dita divided the cost of throwing a party as shown in the circle graph above. If Dita spent $ 12
sdas [7]

Let total amount spent =x

Dita spent 35 % of total amount.

35% of x = 0.35x

So amount spent by Dita = 0.35x

% of money spent by Benton = 20 % of x = 0.2x

We are given that Benton spent $12 more than Claire,

so making equation we have ,

Money spent by Dita = Money spent by Claire +12

0.35x =0.2x +12

0.35x -0.2x = 12

0.5x =12

x=80

So total amount spent was $80.

Money spent by Benton = 0.2x = 0.2 * 80= $16

So amount spent by Benton is $16.



5 0
3 years ago
THE TOPIC IS: AREA OF CIRCLES!! PLEASE HELP ME WITH THIS QUESTION!!! WHATS THE ANSWER?? I WILL GIVE YOU BRAINLIEST AND A THANKS!
Art [367]

Answer:

49π

Step-by-step explanation:

πr^2

π*7^2

49π

5 0
2 years ago
Please help this is so important I need it answer today
polet [3.4K]
The answer is A because you turn the fraction in a decimal then divide by 5
7 0
3 years ago
Read 2 more answers
£220 is invested at 3% pa simple work out the interest for 8 years.
Svetllana [295]

Answer:

The answer is £52.8

Step-by-step explanation:

4 0
2 years ago
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