Question

1.The perimeter of a triangle is 50 cm. One side of a triangle is 4 cm longer than the smaller side and the third side is 6 cm less than twice the smaller side. Find the area of the triangle.
2. The area of a trapezium is 475 cm2 and the height is 19 cm. Find the lengths of its two parallel sides if one side is 4cm greater than the other.
3. The perimeter of a triangular field is 420m and its sides are in the ratio 6:7:8. Find the area of the triangular field.
4. The cost of leveling a park at the rate of Rs. 2/km2 is Rs.2700. If the park is in right angled triangular form with one side being 45 km, find the hypotenuse.
5. What is the area of an equilateral triangle whose side is 8cm?
6.The sides of a quadrilateral ABCD are 6cm, 8cm, 12 cm and 14 cm (taken in order) respectively and the
angle between the first two sides is a right angle. Find its area.
7. Find the cost of leveling the ground in the form of equilateral triangle whose side is 12m at Rs.5per sq.m.
8. Find the area of a triangle whose perimeter is 180 cm and two of its sides are 80cm and 18 cm. Hence calculate the altitude of the triangle taking the longest side as base.
9. A field in the shape of a trapezium whose parallel sides are 25m and 10m respectively. The non parallel sides are 14m and 13m . Find the area of the field.
10. Find the area of an isosceles triangle, the measure of one of its equal sides being 10cm and the third side is 6cm.

Answer 1

Answer:

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