If the perimeter of a semi-circle is 108 cm, then find its radius (in cm).
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∆ABC is right angled at B. BD is an altitude. AD = 4 cm and DC = 9 cm. What is the value of BD (in cm)?
"Public health and sanitation; hospitals and dispensaries" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.
What is plant cell wall mainly composed of?
A spaceship travels at 1,260 km/h. How many metres does it travel in 1/10 th of a second?
a% of b + b% of a = ______
If x2+ x = 19, then what is the value of (x + 5)2+ [1/(x + 5)2]?
Select the word with the correct spelling.