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Review Lesson 3: Angles in a Triangle
By Akinyi Apopa
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Last updated about 5 years ago
11 questions
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Angles in a Triangle
Learning Intention
WALT calcualte the value of unkown angles within triangles.
1
Here is video reminder, in case you need it.
1
Question 1
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.
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.
2
3
4
5
6
7
zoom_in
1
Question 2
2.
Calculate the value of angle
x
1
1
1
1
1
8
10
9
zoom_in
1
Question 8
8.
Calculate the value of angle
x
1
Question 9
9.
Calculate the value of angle
x
1
Question 10
10.
Calculate the value of angle
x
Question 11
11.
Closing
James says that a triangle is right angled.
Olivia says that the same triangle is isosceles.
They are both correct. Explain how.
visibility
View drawing
Question 3
3.
Calculate the value of angle
x
Question 4
4.
Calculate the value of angle
x
Question 5
5.
Calculate the value of angle
x
Question 6
6.
Calculate the value of angle
x
Question 7
7.
Calculate the value of angle
x
