Maths 3_Unit 11_Week 12_Lesson 1: Right angles, Non-right angle

This is a ​ (a)  

Vertex ​ (b)  

Sides ​ (c)  

• right angle
• non - right angle
• B
• BC, BA
• A
• C
• AC,AB
• CA, CB

The number of right angles in this figure is ​ (a)  

The number of non-right angles in this figure is (b)  

• 5
• 4
• 6
• 0

Tags

CCSS.4.G.A.1

The number of right angles in this figure is ​​ (a)  

The number of non-right angles in this figure is ​ (b)  

• 5
• 6
• 0
• 4

Tags

CCSS.4.G.A.1

The number of right angles in this figure is ​​ (a)  

The number of non-right angles in this figure is ​ (b)  

• 5
• 6
• 0
• 4

Tags

CCSS.3.G.A.1

The number of right angles in this figure is ​​ ​ (a)  

The number of non-right angles in this figure is ​ (b)  

• 5
• 6
• 4
• 0

Tags

CCSS.4.G.A.1

The number of right angles in this figure is ​​ ​ ​ (a)  

The number of non-right angles in this figure is ​ ​ (b)  

• 5
• 6
• 0
• 4

The number of right angles in this figure is ​​ ​​ (a)  

The number of non-right angles in this figure is ​ ​ ​ (b)  

• 4
• 0
• 2

Tags

CCSS.3.G.A.1

How many right angles are there in this picture?

​ ​ (a)  

• 12
• 6
• 18
• 24

Tags

CCSS.4.G.A.1