If the height of a triangle is increased by 30% and its base is decreased by 20%, what will be the effect on its area?

If the height of a triangle is decreased by 40% and its base is increased by 40%, what will be the effect on its area? (a) No change 8% decrease (c) 16% increase (d) 16% decrease

If the base of triangle is increased by 10% and height is decreased by 20%, then what will be the percentage change in the area of a triangle ?

If the length of a rectangle is increased by 50% and breadth is decreased by 25%, what is the percentage change in its area? 12.5% increase (b) 10% increase (c) 25% increase (d) 20% decrease

If the length of a rectangle is increased by 20% and breadth is increased by 30%, then what will be the percentage increase in the area of rectangle ?

If the length of a rectangle is increased by 30% and its width is increased by 10%, by what percentage will be the area of the rectangle be increased?