Book Maths Puzzle Numerical Ability

ABC is a right angled triangle right angled at C. P and Q are midponts of AC and BC respestively,if AC=4 cm and BC=3 cm then find AQ

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ans is 4.2720
CQ=1.5
AQ=SQRT(AC^2+CQ^2)
AQ=SQRT(16+2.25)
10 years agoHelpfull: Yes(0) No(0)

AQ = square root of ( AC^2 + CQ^2 )
=(4^2 + 1.5 ^2 )^0.5
=(18.25 )^0.5 = 4.272
10 years agoHelpfull: Yes(0) No(0)

Book Other Question

If h,c ,v are respectively the height, curved surface area, and the volume of the cone then find the value of (66/7)*v*h^3-c^2h^2+9v^2 in an equilateral triangle ABC D is a point on BC such that BD:DC =1:2 and AB =3 cm then find AD