Mathematics

Grade9

Easy

Question

The measure of the unknown angle x is ________.

91°
163°
107°
Cannot determine

hint Hint:

$s u m space o f space a l l space i n t e r i o r space a n g l e s space o f space a space p e n t a g o n space equals space left parenthesis 5 minus 2 right parenthesis cross times 180 to the power of o s u m space o f space a l l space i n t e r i o r space a n g l e s space o f space a space p e n t a g o n space i s space 540 degree$

The correct answer is: 107°

Here, 72° and $angle A$ form a linear pair so 72° + $angle A$ = $180 to the power of o$
So $angle A$ = 180° - 72° = 108°
The sum of all interior angles of a pentagon is 540°
So, 90° + x° + 127° + 108° + 108° = 540°
x = 107°.

The given figure is a _________.

MathematicsGrade9

Grade9

Mathematics

What is the measure of the $angle D$ ?

Quadrilateral is a four-sided polygon with four angles and the sum of all angles of a quadrilateral is $180 degree$ .

What is the measure of the $angle D$ ?

MathematicsGrade9

Quadrilateral is a four-sided polygon with four angles and the sum of all angles of a quadrilateral is $180 degree$ .

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What is the name of the given polygon?

Hexagon is a six sided polygon whose sum of all angles are $720 degree$ .

What is the name of the given polygon?

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Hexagon is a six sided polygon whose sum of all angles are $720 degree$ .

Grade9

Mathematics

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The measure of the unknown angle x is ________.

91°163°107°Cannot determine

The correct answer is: 107°

Here, 72° and form a linear pair so 72° + = So = 180° - 72° = 108°The sum of all interior angles of a pentagon is 540°So, 90° + x° + 127° + 108° + 108° = 540°x = 107°.

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91°
163°
107°
Cannot determine

Here, 72° and $angle A$ form a linear pair so 72° + $angle A$ = $180 to the power of o$
So $angle A$ = 180° - 72° = 108°
The sum of all interior angles of a pentagon is 540°
So, 90° + x° + 127° + 108° + 108° = 540°
x = 107°.

What is the measure of the $angle D$ ?

What is the measure of the $angle D$ ?

The measure of $angle A$ is _________.

The measure of $angle A$ is _________.

The measure of $angle V$ is _________.

The measure of $angle V$ is _________.