LMNOP is a semi-circle with centre at R and diameter LP; LSR and RQP are also semi-circles with centres at T and U and diameters LR = RP = 1⁄2 LP. The ratio of perimeters of LMNOP and LSRQP is
- (a)0.75 : 1
- (b)1 : 1
- (c)1 : 0.75
- (d)1.25 : 1
Show answerHide answer
Official answer(b) 1 : 1