Question
Which of the given is considered to be of agricultural
importance?Solution
Pheritima sp is the species of Earthworm which helps in improving physico-chemical properties of soil.
- Find the distance between the parallel sides of a trapezium whose area is 315 cm² and the lengths of the parallel sides are 15 cm and 21 cm respectively.
Find the inradius of an equilateral triangle whose altitude is 9√3 cm.
- Find the area of a triangle whose base is 15.4 cm and corresponding altitude is 20.8 cm.
- What is the average of the first eight triangular numbers?
- Determine the inradius of an equilateral triangle if its height is 6√3 cm.
If area of similar triangles ∆ ABC and ∆ DEF be 64 sq Cm and 121 sq cm and EF = 15.4 cm then BC equals
In △ ABC, D and E are the points on sides AB and AC. respectively and DE | BC. BC = 8 cm and DE = 5 cm. If the area of △ ADE = 45 cm², then wha...
Determine the inradius of an equilateral triangle whose altitude measures 9√3 cm.
Two sides of a triangle are 10 cm and 15 cm. Which of the following can be the third side of the triangle?
- A triangle has a base of 27.3 cm and the height is 11.4 cm. Find its area.