Divide 32 into four parts which are in AP, such that the ratio of product of extremes to the
product of means is 7:15.
Sir in 12 th chapter of 10th class means area of related circles i have seen you are prooving the triangles congruent to show angles are bisected but in NCERT book once they draw perpendicular by that only they say angles are bisected so according to me please do not make the solutions too big.
Draw histogram and frequency polygon
Age integers
0_10
10_20
20_30
30_40
40_50
50_60
60_70
Number of patient
30
90
40
60
20
120
30
In class 9th
Can anyone say how much conversions of unit in surface area and volume and heron's formula in class 9th