The length of a mirror arc is 2/9 of the circumference of the circle. Write the measure of the angle (in degrees) subtended by the arc at the centre of the circle.
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In a week, how many times are the hands of a clock at right angles with each other?
If angles M and N measure 60 deg and 30 deg respectively, (sinM) x (cotN) = ?
The area of a rectangle is 448 sq.m. If the length is more than the breadth by 12%, find the breadth.
In ΔPQR measure of angle Q is 90 deg. If tanP = 24/7, and PQ = 14cm, then what is the length (in cm) of side QR?
ΔDEF is right angled at E. If m∠F = 30 deg, then find the value of (cosD - 1/√2).
What is the measure of an exterior angle of a regular polygon of 6 sides?
The area of an equilateral triangle is 49√3 cm2. Find its side (in cm).
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