Others Maths Puzzle Numerical Ability Geometry

XYZ is an isosceles triangle, YZ=a and XY=XZ=b and XP=height=h, then h=

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h=1/2(4b^2-a^2)^1/2
10 years agoHelpfull: Yes(0) No(1)

Others Other Question

If x is the length of the median of an equilateral triangle, then its area is There are two concentric circles of radii 13cm and 12cm. The length of the chord of the outer circle which touches the inner circle is
Option
a. 10cm
b. 12cm
c. 12.5cm
d. 14cm