The area of a triangle with vertices A (0, 8) , O (0,0) and B (5, 0) is:
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The length of a rectangle is increased by 25%. To maintain the same area, the breadth has to be decreased by
If sinA + sin2A = 1 then what is the value of cos2A + cos4A ?
What is the simplified value of cosec6A – cot6A – 3 cosec2A cot2A?
Some one rupee, 50 paisa and 25 paisa coins make up rupees 93.75 and their numbers are in the proportion of 3 : 4 : 5. Find the number of each type of coins?
ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?
The area of an equilateral triangle is 25√3 sq.cm. Find its side (in cm).
The ratio of present ages of Raman and Lamba is 7 : 5. After 6 years age of Raman will be 48 years. What is the present age (in years) of Lamba?