Mathematics

Grade9

Easy

Question

The value of x is _______.

113°
142°
136°
189°

hint Hint:

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

The correct answer is: 113°

so option 1: $113 to the power of o space i s space t h e space c o r r e c t space a n s w e r$
$s u m space o f space a l l space i n t e r i o r space a n g l e s space o f space t h e space h e x a g o n equals space left parenthesis n minus 2 right parenthesis cross times 180 to the power of o h e r e space n equals space 6 comma space b e c a u s e space o f space h e x a g o n space s o comma space left parenthesis 6 minus 2 right parenthesis cross times 180 to the power of o space equals space 4 cross times 180 to the power of o space equals space 720 to the power of o s o space T h e space s u m space o f space a l l space i n t e r i o r space a n g l e s space o f space t h e space h e x a g o n space i s space 720 degree. space space S o comma space 88 degree space plus space 136 degree space plus space 136 degree space plus space x degree space plus space 105 degree space plus space 142 degree space equals space 720 degree space space x space equals space 113 degree. space$

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 = $360 to the power of o$

Grade9

Mathematics

$text The measure of end text angle E C D text is end text$ ____________.

The alternate angle theorem states that when two parallel lines ( AB and CD) are cut by a transversal (here DB ), then the resulting alternate interior angles or alternate exterior angles are equal

$text The measure of end text angle E C D text is end text$ ____________.

MathematicsGrade9

The alternate angle theorem states that when two parallel lines ( AB and CD) are cut by a transversal (here DB ), then the resulting alternate interior angles or alternate exterior angles are equal

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The value of x is _______.

113°142°136°189°

The correct answer is: 113°

so option 1:

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113°
142°
136°
189°

$increment PQR$ is a ____________.

$increment PQR$ is a ____________.

The measure of $angle A$ _________.

The measure of $angle A$ _________.

$text The measure of end text angle E C D text is end text$ ____________.

$text The measure of end text angle E C D text is end text$ ____________.