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Sever21 [200]
3 years ago
13

Please help me I don’t understand

Mathematics
1 answer:
MArishka [77]3 years ago
5 0

Answer:

x= 230

Step-by-step explanation:

since a circle is 360 degrees

x + 130 = 360

x= 360 -130

x=230

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If the volume for 3-D pyramid A is 400 cm3 and the volume for 3-D pyramid B is 800 cm3, how many times bigger is the volume of p
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The answer for this question is (100% correct)

A. 2
8 0
3 years ago
What is the area of a 320 ft semicircle?
Sever21 [200]

Answer: they do not have enough info but I will try my best to answer  if im wrong its not my fault  so please add more info

Solution

2. I know that for a Semi-Circle Area = 320 . From this find out Area of the Semi-Circle.

Solution:

Here Area=320(Given)

Area=

πr2

2

r2=

Area⋅2

π

r2=

320⋅2

22

7

r=14.2701

Diameter(d)=2r

=2⋅14.2701

=28.5402

Circumference=πr

=

22

7

⋅14.2701

=44.849

Perimeter=πr+2r

=

22

7

⋅14.2701+2⋅14.2701

=44.849+28.5402

=89.6979

Step-by-step explanation:

Byee stay safe: Wear your mask, drink water and stan bts

also can I have brainliest

4 0
2 years ago
two angles of a pentagon are 58 degrees and 83 degrees respectively the other three angles are in the ratio of 5:6:8 find the va
STatiana [176]

Answer:

The largest angle measures 168

Step-by-step explanation:

5x+6x+8x+58+83 = 540

x = 21

Largest Angle = 8(21) = 168

3 0
4 years ago
What is the area of this figure?​
Kipish [7]

Answer:

Area is measured in "square" units. The area of a figure is the number of squares required to cover it completely, like tiles on a floor. Area of a square = side times side. Since each side of a square is the same, it can simply be the length of one side squared.

Step-by-step explanation: hope this helps

4 0
3 years ago
How do you write 89,637,421 in word and expanded form
AnnyKZ [126]
Expanded: 80,000,000+9,000,000+600,000+30,000+7,000+400+20+1
8 0
4 years ago
Read 2 more answers
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