CUET Preparation Today
Find the number of triangles in the given figure.
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7 8 13 10 |
10 |
01+02+03+04= total 10 number of triangles. Or, We can use the formula of "Sum of natural numbers" = n(n+01)/02 Therefore, 04(04+01)/02 = \(\frac{20}{02}\) = total 10 number of triangles in the above figure. |
