Mathematics

Grade9

Easy

Question

The measure of $angle V$ is _________.

68°
72°
81°
63°

hint Hint:

$s u m space o f space a l l space i n t e r i o r space a n g l e s space o f space t h e space p o l y g o n equals space left parenthesis n minus 2 right parenthesis cross times 180 to the power of o h e r e space n equals space 6 comma space b e c a u s e space o f space h e x a g o n space s o comma space left parenthesis 6 minus 2 right parenthesis cross times 180 to the power of o space equals space 6 cross times 180 to the power of o space equals space 720 to the power of o$

The correct answer is: 63°

$o p t i o n left parenthesis space 4 space right parenthesis space 63 degree space i s space t h e space c o r r e c t space a n s w e r s u m space o f space a l l space i n t e r i o r space a n g l e s space o f space t h e space p o l y g o n equals space left parenthesis n minus 2 right parenthesis cross times 180 to the power of o h e r e space n equals space 6 comma space b e c a u s e space o f space h e x a g o n space s o comma space left parenthesis 6 minus 2 right parenthesis cross times 180 to the power of o space equals space 4 cross times 180 to the power of o space equals space 720 to the power of o s o T h e space s u m space o f space a l l space i n t e r i o r space a n g l e s space o f space t h e space h e x a g o n space i s space 720 degree. space space S o comma space 152 degree space plus space 126 degree space plus space 134 degree space plus space x degree space plus space 101 degree space plus space 90 degree space equals space 720 degree space space x space equals space 117 degree space space N o w comma space space 117 degree space a n d space space a n g l e space V space f o r m space a space l i n e a r space p a i r. space 117 degree space plus space V space equals space 180 to the power of o space S o comma space a n g l e space V space equals space 180 degree space minus space 117 degree space equals space 63 degree. space$

What is the sum of interior angles of a triangle?

the sum of interior angles of a triangle = $180 to the power of o$
the sum of exterior angles of a triangle = $360 to the power of o$

What is the sum of interior angles of a triangle?

MathematicsGrade9

the sum of interior angles of a triangle = $180 to the power of o$
the sum of exterior angles of a triangle = $360 to the power of o$

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The measure of is _________.

68°72°81°63°

The correct answer is: 63°

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The measure of $angle V$ is _________.

68°
72°
81°
63°

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