Question

solve this question plz help me ​Class 4th​

Answer 1

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Q.9

1) The type of angles are:-

• Acute angle
• Right angle
• Obtuse angle
• Straight angle
• Reflex angle

2) A point is a mark of position, which has no length,no breadth and no thickness.

3) A line has length, but no breadth or thickness.

4) An angle is formed when two line segments or two days have a common end-point.

Q.10

1) Perimeter of the triangle: a+b+c

Now,

(70+84+97)cm = 251cm

Therefore, The perimeter of the triangle is 251cm.

2) (3+4+5)cm = 12cm

Therefore, The perimeter of the triangle is 12cm.