Symmetry | Chapter Assessment | English | Grade 6

Which of the following alphabet is symmetric?

• Q

• R

• S

• T

Answer explanation

Figure in balanced proportion is called symmetric figure. Among the given alphabets Q, R and S are asymmetric, whereas, T is symmetric.

Tags

CCSS.RF.1.2A

CCSS.RF.2.3A

CCSS.RF.4.3A

CCSS.RF.K.1D

CCSS.RF.K.2A

How many lines of symmetry are present in the regular heptagon?

• 7

• 5

• 3

• 1

Answer explanation

Given figure is a regular heptagon. The number of lines of symmetry in a regular polygon with n sides is n. Heptagon has 7 sides so number of lines of symmetry will be 7.

Tags

CCSS.4.G.A.3

Match the following.

• 1-c, 2-a, 3-d, 4-b

• 1-c, 2-d, 3-a, 4-b

• 1-d, 2-c, 3-a, 4-b

• 1-c, 2-d, 3-b, 4-a

Answer explanation

As we know that rectangle has 2 line of symmetry, square has 4 line of symmetry, scalene triangle has 0 line of symmetry and isosceles triangle has 1 line of symmetry. So, option 2 is correct answer.

Tags

CCSS.4.G.A.3

Which of the following triangle does not have any line of symmetry?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• None of these

Answer explanation

Equilateral triangle has 3 lines of symmetry Isosceles triangle has 1 line of symmetry Scalene triangle has 0 line of symmetry

Tags

CCSS.4.G.A.3

Identify the other half of the given symmetrical figure.

• 
• 
• 
• 

Answer explanation

Tags

CCSS.4.G.A.3

While understanding mirror reflections, Shivani asked Sejal to choose the correct mirror reflection for letters 'PQRS'. Which of the following options should Sejal choose as a correct answer?

• 
• 
• 
• 

Answer explanation

The correct mirror reflection is given in option 2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5