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Review Lesson 3: Angles in a Triangle

Last updated about 5 years ago
11 questions

Angles in a Triangle

Learning Intention
WALT calcualte the value of unkown angles within triangles.
1

Do Now

The angles in a triangle add up to ______ degrees. A triangle with two sides of equal length is called an isosceles triangle.

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.
1

Calculate the value of angle x

1

Calculate the value of angle x

1

Calculate the value of angle x

1

Calculate the value of angle x

1

Calculate the value of angle x

1

Calculate the value of angle x

1

Calculate the value of angle x

1

Calculate the value of angle x

1

Calculate the value of angle x

1

Closing
James says that a triangle is right angled.
Olivia says that the same triangle is isosceles.
They are both correct. Explain how.