Question
Find the area of the triangle ABC. Where AC=17cm,
AB=15cm, BC=8cmSolution
Hence Triangle ABC is a right-angled triangle. Therefore, a triangle that is inside a circle is right-angled, then the hypotenuse is the diameter of the circle. AB is height and BC base. Area of triangle ABC =1/2 × base × height. =1/2 ×8×15 =60cm2
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A motorboat in still water travels at a speed of 40 km/hr. It goes 45 km upstream in 2 hour 15 minutes. The time taken by it to cover the same distance ...
A boat takes 15 hours to travel 150 km upstream. When its speed is doubled, it covers 150 km downstream in 3 hours. Find the speed of the stream.
