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Len [333]
3 years ago
7

Please help im sorry i dont understand shapes and angles

Mathematics
2 answers:
Musya8 [376]3 years ago
6 0

Answer:

Sorry I can't answer this.

But you may use the protacter to find the angle

Maru [420]3 years ago
6 0

? = 73°

There are 7 sides in this polygon

Calculate total interior angles using (n-2) * 180    

                                                                  ["n" denotes number of sides]

  • Here total interior angle: (7-2)*180 = 900°

<u>The missing angle inside the polygon</u>:

900° - 130° -119° -130° -154° -130° -130°

900° - 793°

107°

A straight line has total 180°

? + 107° = 180°

? = 180° - 107°

? = 73°

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Step-by-step explanation:

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aivan3 [116]

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Step-by-step explanation:

i) A subset is a set which has all its elements contained in another set.

For two sets A and B, if each element of set A is an element of set B, then A is a subset of B.

A superset is a set that houses another set. So if set A is a subset of set B, then B is a superset of A.

Proper subset

For a set (A) to be a proper subset of another (B) every element of A would be in B but there exists at least one element in B that is not in A.

An Empty Set (or Null Set) doesn't have aren't any elements in it. It is empty.

Since every element of the superset is in the superset. Therefore, A superset contains all the subset of superset.

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= ± √⅓ = +√⅓ or -√⅓

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