Archives

Students of a school staged a rally for a cleanliness campaign. They walked through the lanes in two groups. One group walked through the lanes AB, BC, and CA; where the Other through AC, CD, and DA. Then they cleaned the area enclosed within their lanes. If AB=9m,BC=40m,CD=15m,DA=28m and ∠B = 900, which group cleaned more area and by how much? Find the total area cleaned by the students.

Given: is a right-angled triangle. Using Pythagoras Theorem Area of * base * height In Area of... View Article