MATH DOSE CLASS 10 PART 2

1 From a point on the ground, the angles of elevation of the bottom and top of a tower fixed at the top of a 20 m high building are 45^o& 60^o respectively. Find the height of the tower.

2 ind the coordinates of the points which divide the line segment joining A(2, -3) and B(-4, -6) into three equal parts.

3 In a AP the 17th term from the end of the AP: 1, 6, 11, 16..... 211, 216

4  pole 6 m high casts a shadow 2√3 m long on the ground, then find the angle of elevation of the sun.

5 Find the sum of all natural numbers that are less than 100 and divisible by 4.