Q) In the given figure, a circle centered at origin O has radius 7 cm, OC is median of Δ OAB. Find the length of median OC. Ans: Step 1: In the given circle, OA and OB are the radii of the same circle and they intersect at 90 degrees (coordinates) Δ AOB, by Pythagoras […]
August 2024
Q) A dealer sells an article for Rs. 75 and gains as much percent as the cost price of the article. Find the cost price of the article. Ans: Let’s consider the cost price of the article is X At sales price of Rs. 75, his profit is 75 – X The percentage % gain
Q) A person standing on the bank of a river observes that the angle of elevation of the top of a tower on the opposite bank is 60°. When he moves 30 m away from the bank, he finds the angle of elevation to be 30°. Find the height of the tower and width of
A person standing on the bank of a river observes that the angle of elevation of the top Read More »