\[ \text { Answer all questions } \] PART - A \( (10 \times 2=20 \) marks \( ) \) Find the octant in which the points \( (-3,1,2) \) and \( (-3,1,-2) \) lie

एक त्रिकोणीय प्रिज्म की सतह क्षेत्रफल की गणना करें, जिसके त्रिकोणीय आधार का आधार 10 सेमी और ऊँचाई 6 सेमी है तथा प्रिज्म की लंबाई 15 सेमी है।

Example 7 What is the smallest number of terms of the geometrical progression, \( 8+24+72+\ldots \), that will give a total greater than 6000000 ?

What is the formula for calculating the surface area of a sphere?

Bookwork code: 4D Work out the volume of the wate in the cuboid-shaped container below. Give your answer in millilitres \( (\mathrm{ml}) \) and give any decimal answers to 1 d.p. (Hint: \( 1 \mathrm{ml}=1 \mathrm{~cm}^{3} \) )

3. The point, \( (O, O) \), also called the \( x \)-axis and the \( y \)-axis intersect.