PSAT Math : How to find an angle in a hexagon

Study concepts, example questions & explanations for PSAT Math

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Example Questions

Example Question #1 :How To Find An Angle In A Hexagon

Hexagon1

Possible Answers:

180

210

170

190

200

有限公司rrect answer:

190

Explanation:

Hexagon2Hexagon3

Example Question #2 :How To Find An Angle In A Hexagon

If a triangle has 180 degrees, what is the sum of the interior angles of a regular octagon?

Possible Answers:

有限公司rrect answer:

Explanation:

The sum of the interior angles of a polygon is given bywhere= number of sides of the polygon. An octagon has 8 sides, so the formula becomes

Example Question #3 :How To Find An Angle In A Hexagon

In a rectangular hexagon, what is the meaure of each interior angle?

Possible Answers:

72 degrees

105 degrees

150 degrees

120 degrees

90 degrees

有限公司rrect answer:

120 degrees

Explanation:

The sum of the interior angles of a hexagon must equal 720 degrees. Because the hexagon is regular, all of the interior angles will have the same measure. A hexagon has six sides and six interior angles. Therefore, each angle measures.

Example Question #4 :How To Find An Angle In A Hexagon

Hexagon

Note:Figure NOT drawn to scale.

Refer to the above figure. Evaluate.

Possible Answers:

有限公司rrect answer:

Explanation:

The sum of the degree measures of the angles of a (six-sided) hexagon, is

We can solve forin the equation

Example Question #5 :How To Find An Angle In A Hexagon

Hexagon

Note: Figure NOT drawn to scale.

Refer to the above figure. Evaluate.

Possible Answers:

有限公司rrect answer:

Explanation:

The sum of the degree measures of the angles of a (six-sided) hexagon, is

We can solve forin the equation

Example Question #6 :How To Find An Angle In A Hexagon

Three angles of a hexagon measure. The other three angles are congruent to one another. What is the measure of each of the latter three angles?

Possible Answers:

This hexagon cannot exist.

有限公司rrect answer:

Explanation:

The sum of the degree measures of the angles of a (six-sided) hexagon, is

Letbe the common measure of the three congruent angles in question. We can solve forin the equation

Example Question #7 :How To Find An Angle In A Hexagon

What is the measurement of one of the interior angles of a regular hexagon?

Possible Answers:

有限公司rrect answer:

Explanation:

To find the sum of the interior angles of any regular polygon, use the formula, whererepresents the number of sides of the regular polygon.

The sum of the interior angles of a regular hexagon is 720 degrees. To find the measurement of one angle, divide by the number of interior angles (or sides):

The measurement of one angle in a regular hexagon is 120 degrees.

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