Question
In which one the following country, Hybrid rice for
commercial production was first evolved?Solution
First time in word, China developed hybrid rice in 1974. It was developed by Prof. Long Ping Yuan, known as Father of Hybrid Rice. India is second to develop hybrid rice after China.
In triangle ABC, DE is drawn parallel to BC, meeting AB at D and AC at E. If AD : DB = 3 : 2 and the area of triangle ADE is 45 cm², find:
(a) t...
What is the height of an equilateral triangle with a side length of 12√5 cm?
The area of two similar triangles is 361 cm² and 324 cm², respectively. What is the ratio of their corresponding altitudes?
Find the length of AC, if ΔABC ~ ΔRQP and BC = 21 cm, QP = 9 cm and RP = 15 cm.
What is the length of the hypotenuse in an isosceles right-angled triangle if one of its equal sides measures 5√3 cm?
A triangle has sides 13 cm, 14 cm, and 15 cm. What is the radius of its incircle?
Area of a triangles with vertices at (2, 3), (-1, 0) and (2, -4) is :
The base of a triangular plot is 25 meters, and its height is 30 meters. If a path of 2 meters wide is to be built around the plot, what will be the are...
- Determine the inradius of an equilateral triangle if its height is 6√3 cm.
The altitude of an equilateral triangle is 6√3 cm. Find the area of the equilateral triangle.