Aptitude Area Quiz No6

The base of a triangular field is three times its altitude, and      its area is 6 Hectares. Find the base of the triangular feld?





If radius of semi circle is 14 cms, then find its area?





The diameter of semi circle is 14 cms, then find its area?





If the length of arc and radius is 12 cm and 10 cms, then find      the area of a sector?





if the angle made by the sector at the center is 60 degrees and      its of a circle radius is 7 cm, then find the area of sector?





if the angle made by the sector at the center is 90 degree and      its radius is 7 cm, then find the length of the arc?





If each side of a equilateral triangular is 12 cms, then find      the area of incircle?





If each side of a equilateral triangular is 6 cms, then find      the area of the circum circle?





semi circle is constructed on each side of a square of length      2m. find the are of the whole figure?





If diameter of a circle is increased by 12%, find the %      increase in its circumference?







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