CALCULATION:Given,Chain LENGTH (l) = 30 mSlope, tanθ = 1/10Hypotenusal allowance = l(secθ -1)tanθ = 1/10then, secθ = 1.004987Hypotenusal allowance = l(secθ -1) = 30 × (1.004987 - 1) = 0.146Hypotenusal allowance ≈ 0.15 m