From each vertex of trapezium a sector of radius 7 cm has been cut off.

Write the total area cut off.I need the answer quickly as i was revising for board exam

let abcd be the trapeziun and there be four circles with 7 cm radius around ittherefore area of portin cut off =area of 4 sectorsangle a/360xpie xrxr+angle b/360xpie xrxr+ angle c/360xpie xrxr+angle d/360xpie xrxr=(angle a+b+c+d)/360xpie xrxrbut a+B+C+D=360-angle sum property of trapeziumthere fore area cut off=360/360xpie xrxr=pie x rxr=49 pieor 154cmhope it helped you