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Study Guide : Online tutoring for geometry

Learner Guide

Basic Geometry

L.O – To be aware of and begin to learn the basic rules of

          geometry, which are fundamental in solving geometry



Geometry is the division of mathematics that deals with points, lines

shapes and space.

Here as some of the basic rules you should memorize and apply to geometry


1. Angles on a straight line add up to 180º.

2. Angles in a triangle add up to 180º.

3. Angles in a quadrilateral add up to 360º.                                                                                                      

4. Angles around a point add up to 360º.


In an isosceles triangle….

2 sides are of equal length

2 angles are the same




Find all the unmarked angles in this diagram.


a) Triangle ABD is an isosceles triangle. Using the rule that two angles are the

     same in an isosceles triangle, angle BAD = angle ABD = 32º

b) Using ‘angles in a triangle add up to 180º’, angle ADB = 116º

c) Using ‘angles in a straight line add up to 180º’, angle ADC = 180 – 116 = 64º

d) Because triangle ACD is also an isosceles triangle, angle ACD = 64º also.

e) Finally CAD = 180 – 64 – 64 = 52º


Still struggling with geometry?

Our skilled geometry tutors help improve geometry subject knowledge. We

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> Grade 7th online tutoring for geometry

> Grade 8th online tutoring for geometry

> Grade 9th online tutoring for geometry

> Grade 10 online tutoring for geometry


We ensure every tutor receives rigorous and ongoing training and support.

We understand the challenges that children face in topics like Geometry.

We have tutors to help you practice geometry online in creative online


Your online tutor will provide feedback after every session so you can see

the progress your child is making.

You can try a free, no obligation taster session geometry session to see if

Improve Tuition is the right fit for you.



Find the size of the marked angles.


Related topics

Trigonometry                                     Pythagoras                                             Shapes



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