What is the value of 2sec2A?
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For triangle PQR, find equation of altitude PS if co-ordinates of P, Q and R are (6,2), (0,3) and (-4,5) respectively?
Find the odd word/letters/number pair from the given alternatives.
The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :
The sum of the ages of Rohit and Ankit is 78. Rohit's age is twice the age of Ankit. What is the age (in years) of Rohit?
A sum fetched a total simple interest of Rs. 7728 at the rate of 7% per year in 8 years. What is the sum?
Two chords AB and PQ of a circle intersect at D inside a circle. If AD = 4 cm, DB = 6 cm, QD = 3 cm, the length of PQ is equal to
An exterior angle of a triangle is 115 deg and one of the interior opposite angle is 45 deg. Then the other two angles are