Class 7 Math Exercise 4.2 [ Q 2, 3, 4, 5 ] NEW BOOK | Geometry | Class 7 Math Ex 4.2 New Book

In this lecture, I explained the Class 7th Math Exercise 4.2 from new book in detail.
If you have any question in class 7 math unit 4 exercise 4.2, so you can ask me in comment section.
This lecture for Class 7th Mathematics is created for all who want to prepare this topic in detail.
Class 6th Math New Book 2023:
• Class 6th Math New Boo...
Class 7th Math New Book 2023:
• Class 7th Math New Boo...
Class 8th Math New Book 2023:
• Class 8th Math New Boo...
STEP OF CONSTRUCTION:
Q 2 :
STEP OF CONSTRUCTION:
1. Draw a line segment XY 6.5cm.
2. Taking X as centre, construct an angle 90°anf draw XN , angle YXN= 90°
3. At point Y, draw an angle of 40° with protractor and draw YM.
4. XN and YM intersect each other at point Z.
5. Thus we get the required triangle.
Q 3 :
STEP OF CONSTRUCTION:
1. Draw a line segment AB 7.1cm.
2. Draw right bisector MN of AB that intersect AB on point S.
3. From point S draw a semicircle.
4. At point A draw an angle BAF of 52°. intersect semicircle at point C.
5. Join B to C. Thus we get the required triangle.
Q 4 :
STEP OF CONSTRUCTION:
1. Draw a line segment AB 4.7cm.
2. Taking points A and B as centres, draw two arcs of radius 4.7cm which intersect each other at point C.
3. Join C with A and B. Thus we get the required triangle.
Q 5 :
STEP OF CONSTRUCTION:
1. Draw a line segment DE 8.2cm.
2. Taking points D and E as centres, draw two arcs of radius 6.5cm which intersect each other at point F.
3. Join F with D and E. Thus we get the required triangle.
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