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Ksivusya [100]
3 years ago
11

Add.

Mathematics
1 answer:
Ann [662]3 years ago
6 0

Answer:

17. +5-2-1=+2

18. -7-6-2=15

19. +11-9-4=-2

20.+4-8+6=+2

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Quadrilateral ABCD is inscribed in circle Pas shown. Which statement is necessarily true?
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Given:

Quadrilateral ABCD is inscribed in a circle P.

To find:

Which statement is necessarily true.

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Quadrilateral ABCD is inscribed in a circle P.

Therefore ABCD is a cyclic quadrilateral.

In cyclic quadrilateral, opposite angles form a supplementary angles.

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⇒ m∠B + m∠D = 180° --------- (2)

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This statement is necessarily true for the quadrilateral ABCD in circle P.

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