A body is projected with a certain speed at angles of projection of theta and 90-theta, the maximum height attained in the two cases are 20 mand 10 m respectively. The range for angle of projection theta is

A body is projected with a certain speed at angles of projection of th

1.	A body is projected with a certain speed at angles of projection of theta and 90-theta, the maximum height attained in the two cases are 20 mand 10 m respectively. The range for angle of projection theta is
Answer» `40sqrt(2)m` `20sqrt(2) m` `80 SQRT(2) m` `200 sqrt(2)m` ANSWER :A