Answer:
148mm aka 1.48cm aka 1cm48mm
Explanation:
to obtain the small thing between the"24mm" and"20mm":
(30mm-20mm)÷2
=5mm
so add up all those given information:
24mm+24mm+20mm+20mm+20mm+30mm+5mm+5mm
comment below if you still don't get it ;)
perimeter of the given figure=24cm+24cm+30cm+20cm+20cm+20cm+5cm+5cm
=148cm
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