1.find the perimetre of a parallelogram PQRS where PQ = SR =12 cm and QR =PS =7 cm
2. find the number of sides of regular polygon whose each exteriorangle has a measusre of 45 degeree
3. find yhe square root of 25 by using repeated subtractin method
in steps pls
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Step-by-step explanation:
1.) perimeter = sum of all 4 sides
= pq+qr+rs+sp
= 12cm+7cm+12cm+7cm
= 38cm
2.) 8 sides
octagon
3.) 25-1=24
24-3=21
21-5=16
16-7=9
9-9=0
total number of steps are 5 so, root 25 =5
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