Test: Building With Bricks - 3

# Test: Building With Bricks - 3 - Class 4

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## 10 Questions MCQ Test Mathematics for Class 4: NCERT - Test: Building With Bricks - 3

Test: Building With Bricks - 3 for Class 4 2023 is part of Mathematics for Class 4: NCERT preparation. The Test: Building With Bricks - 3 questions and answers have been prepared according to the Class 4 exam syllabus.The Test: Building With Bricks - 3 MCQs are made for Class 4 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Building With Bricks - 3 below.
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Test: Building With Bricks - 3 - Question 1

### The given figure contains ________ triangles

Detailed Solution for Test: Building With Bricks - 3 - Question 1

The triangles formed are.

A, B, C, D, E, F., G, H, BG, BE, CE and CG, i.e., 12 in number

Test: Building With Bricks - 3 - Question 2

### Which of the following dotted lines represents the line of symmetry?

Detailed Solution for Test: Building With Bricks - 3 - Question 2

GH symmetrically divides the figure.

Test: Building With Bricks - 3 - Question 3

### are all __.

Detailed Solution for Test: Building With Bricks - 3 - Question 3

All are closed figures with different number of sides and a closed figure is called a polygon.

Test: Building With Bricks - 3 - Question 4

What is the perimeter of the given figure?

Detailed Solution for Test: Building With Bricks - 3 - Question 4

Perimeter of the given figure = 44 cm.

Test: Building With Bricks - 3 - Question 5

In the given diagram, what is the least number of squares that must be shaded so that the given figure is symmetrical along the dotted line?

Detailed Solution for Test: Building With Bricks - 3 - Question 5

Only one square must be shaded to divide the figure into two equal parts.

Test: Building With Bricks - 3 - Question 6

How many squares are there in the given figure?

Detailed Solution for Test: Building With Bricks - 3 - Question 6

The squares formed are 12, 34, 56, 78, 2367 and 12345678 i.e., 6 in number.

Test: Building With Bricks - 3 - Question 7

Find the length of GH.

Detailed Solution for Test: Building With Bricks - 3 - Question 7

We have,
AB + GH + CD = FE
⇒ 3 cm + GH + 6 cm = 12 cm
⇒ GH = 12 cm - 9 cm = 3 cm

Test: Building With Bricks - 3 - Question 8

Which of the following figures has the highest perimeter?

Detailed Solution for Test: Building With Bricks - 3 - Question 8

Perimeter of a figure is the sum of all of its sides.
Perimeter of I=5+2+5+2= 14cm Perimeter of II = 2+2+2=6cm
Perimeter of III = 4+4+4+4=16cm Hence III has highest perimeter,

Test: Building With Bricks - 3 - Question 9

Which line in the diagram is the correct line of symmetry?

Detailed Solution for Test: Building With Bricks - 3 - Question 9

GH symmetrically divides the figure.

Test: Building With Bricks - 3 - Question 10

IJKL and MNOP are two rectangles. Find the length of KP.

Detailed Solution for Test: Building With Bricks - 3 - Question 10

In rectangle IJKL, we have
IJ = LM + MK (opposite sides are equal in a rectangle.) ⇒8=5+MK
∴ MK = 3 cm
In rectangle MNOP, we have
MP = NO ⇒ MK + KP = NO
⇒ 3 + KP = 12
⇒ KP = 9 cm.

## Mathematics for Class 4: NCERT

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## Mathematics for Class 4: NCERT

25 videos|84 docs|41 tests