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Eddi Din [679]
3 years ago
13

2. What is the sum of iº + kº?

Mathematics
1 answer:
Novay_Z [31]3 years ago
5 0
320° it’s because a full circle is 360° so take away 40° from that and you get the sum of both i°+k°
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Find the area of each circle. Use 3.14 forp<br> 12 cm,
il63 [147K]

The area of the circle is 113.04 cm²

<u>Step-by-step explanation:</u>

The given information are,

  • The diameter of the circle = 12 cm
  • The diameter must be converted into radius.

Radius = diameter / 2

Radius = 12/2 = 6 cm

Now, the formula for area of the circle is given by πr²

where,

  • r is the radius of the circle.
  • π has the default value 3.14

<u>To calculate the area of circle :</u>

Substitute r=6 and π=3.14,

Area of the circle = (3.14) × (6²)

⇒ 3.14 × 36

⇒ 113.04 cm²

The area of the circle is 113.04 cm²

5 0
3 years ago
Read 2 more answers
PLEASE HELP ME people I beg you
Paraphin [41]
Equation of circumference is C=2pi times radius
So radius being 32 and pi being 3.14
You would do
2x3.14x32
= 200.96
Hope I helped
3 0
3 years ago
Two over five, one over four, three over eight
jek_recluse [69]

Answer:

I would like to solve your problem but plz comment the equation

Step-by-step explanation:

2/5×1/4×3/8 is 6/160

7 0
3 years ago
Read 2 more answers
Annita, Gary, and Tara all run races. Annita has 7 less than 4 times the number of race medals as Tara. Gary has 13 more than 2
harkovskaia [24]

Answer:

4 t - 7  = 2 t+ 13  is the required equation.

The number of race medals Tara has is t = 20 medals.

Step-by-step explanation:

Let the number of medals Tara has = t medals

So, the number of medal Anita has  = 4( Medals of Tara) - 7

= 4t - 7

And the number of medals Gary has = 2 times (Medals of Tara) + 13

= 2(t)  + 13  = 2t + 13

Now, Annita and Gary has same number of medals.

⇒  4t - 7  = 2t+ 13

or, 4t - 2t  = 7 + 13

⇒ 2t  = 20

⇒ t = 20/2 = 10

or t = 10

Hence, the number of race medals Tara has is t = 20 medals

6 0
3 years ago
Can you help please? It would be helpful.
steposvetlana [31]

Answer:

660 square feet

Step-by-step explanation:

1 chain = 66 feet

Length ( l ) = 66 feet

Breadth ( b ) = 10 feet

To find :

The area of a cricket pitch in square feet = ?

The area of a cricket pitch in square feet will be in the shape of rectangle.

Formula : -

Area of a rectangle = lb

Area of a rectangle

= 66 x 10

= 660 square feet

Therefore,

660 square feet is the area of a cricket pitch.

8 0
2 years ago
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