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sergey [27]
3 years ago
10

The diagram shows a regular pentagon with centre O.

Mathematics
1 answer:
charle [14.2K]3 years ago
8 0

Answer:

54.

Step-by-step explanation:

360/5 = 72

180-72=108

108/2= 54

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in- is a prefix that means not. inequalities are ways of showing relationships that are not equal. true or false
nikdorinn [45]

Answer:

1)True

2) True

Explanation;

1)The prefix in, which means “in, on, or not,” appears in numerous English vocabulary words, for example: inject, influx.

2)Often (but not always) inequality was a tool an abuser used to control their partner.

Hope this helps! If so please mark brainliest and rate/heart to help my account if it did!!

7 0
4 years ago
Please help me! And get marked as brainlist!
Luda [366]

Answer:

Step-by-step explanation:

a) area of the rectangle = length × breadth

Therefore area should be = 12cm × 6cm

Which should give you the answer 72centimetre squared.

b) area of triangle A = 1/2 × b × h

So that is 1/2 × 3 × 6

Which is 18 centimetres × 1/2

Which is 9 centimetres squared

c) area of triangle B = 1/2 × b × h

So 1/2×3×6=18

Now 1/2×18 should give you 9 centimetres squared

d) therefore the area of the parallelogram = 72+9+9=90 centimetres squared

Therefore the area of the parallelogram is 90 centimetres squared

8 0
3 years ago
1<br> Which equation represents the situation, 12 is 42% of what number?
umka2103 [35]

Answer:

28.57

Step-by-step explanation

12/42=.2857 x 100=28.57 hope i helped! please mark brainliest!

8 0
3 years ago
What is the answer to this
adoni [48]

Answer:

I believe it is c

3 0
3 years ago
Read 2 more answers
Help plz will mark brainliest.
irina1246 [14]
AB = 24
BC = 45
AC = 51

cos C = adjacent / hypotenuse
cos C = BC / AC
cos C = 45/51

7 0
4 years ago
Read 2 more answers
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