Question

4. Estimate the Numbers:
(i) Number of buttons in your shirt
Vore than 10
Less than 20
(ii) Number of coins in carrom board
More than 20
Less than 50
(iii) Number of lines on a page of your notebook
More than 50
Less than 100
More than 100
(iv) Total number of pages in your Maths book
M
(v) Total number of fingers in both of your hands and feet​

Answer 1

Answer:

As we can see the first triangle can be formed using 3 sticks. So we have 87 – 3 = 84 sticks left.

So every next triangle can be formed using 2 sticks.

So we have 84/2 = 42 triangles and 43 triangles in all.

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