Find the Value of X

Quizizz Presentation: Different Angles Book

by Larry Cooper

​Chapter 1: Acute Angles

​

​-Acute angles measure less than 90 degrees.

​

-They are found all throughout Geometry.

​In the upcoming slides, you will see where they show up.

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Multiple Choice

If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?

• Acute Isosceles

• Equilateral

• Obtuse Scalene

• Obtuse Isosceles

Fill in the Blanks

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Multiple Choice

Find the value of x.

• 14

• 60

• 35

• 180

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Multiple Choice

A midsegment is a....

• line segment that connects the midpoints of two sides of the triangle.

• line points that connects the midpoints of two sides of the triangle.

• line segment that connects the midsegments of two sides of the triangle.

• line segment that disconnects the midpoints of two sides of the triangle.

Multiple Choice

What is the measure of angle a?

• 50

• 80

• 130

• Cannot Determine

​Chapter 2: Right Angles

​Right Angle-the angle bounded by two lines perpendicular to each other: an angle of 90° or ¹/₂ π radians.

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Multiple Choice

What is the area?

• 12 cm²

• 14

• 14 cm²

• 24 cm²

Multiple Choice

Solve for x in the rectangle.

• x=2

• x=7

• x=8

• x=3

Multiple Choice

Find the value of x.

• x = 1

• x = 3

• x = 2

• x = 0

Multiple Choice

Using the properties of the special parallelogram, solve for x and y.

• x = 2, y = 1

• x = 2, y = 0

• x = 1, y = 1

• x = 1, y = 0

​Chapter 3: Obtuse Angles

An obtuse ​is an angle that measures more than 90 degrees and less than 180 degrees.

Fill in the Blanks

Interior angles of regular polygons

Find the sum of interior angles using the formula 180n-360 as before. Then divide by the number of sides to find the value of one angle.

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​Chapter 4: Straight Angles

​A straight angle is an angle whose vertex point has a value of 180 degrees.

Multiple Choice

Find the value of x.

• A

• B

• C

• D

​This is an example of a right triangle inscribed in a circle. Notice that the diameter WY is 180 degrees.

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