Review Lesson 1: Complementary Angles

Complementary Angles
Learning Intention
WALT calcualte the value of unkown angles within right angles.

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Do Now
A right angle is _____ degrees. When two angles add up to a right angle, they are known as complementary angles.

Here is video reminder, in case you need it.

Work Period 

Complete the questions below. You do not need to write the word degrees  or put the symbol after each answer. Just write the correct number. 

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Calculate the value of x

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Calculate the value of x

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Calculate the value of x

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Calculate the value of x

1

Calculate the value of x

1

Calculate the value of x

1

Calculate the value of x

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Calculate the value of x

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Calculate the value of x

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Complementary Angles

Do NowA right angle is _____ degrees. When two angles add up to a right angle, they are known as complementary angles.

Calculate the value of x

Calculate the value of x

Calculate the value of x

Calculate the value of x

Calculate the value of x

Calculate the value of x

Calculate the value of x

Calculate the value of x

Calculate the value of x

ClosingAn angle has a value of 65°. Find its complementary angle.

Do Now
A right angle is _____ degrees. When two angles add up to a right angle, they are known as complementary angles.

Closing
An angle has a value of 65°. Find its complementary angle.