3. Find the perimeter and area of a rectangle of sides:

(a) 5 cm and 9 cm (b) 11 m and 22 m

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Answer:perimeter 1 = 28

perimeter 2 = 66

area 1 = 45

area 2 = 242

HOPE THAT HELPS

PLEASE FOLLOW

Answer:l

Step-by-step explanation:a. 2(l+b)

=2(5+9)

=2*14

=28cm

l*b

5*9

=45cm^

b. 2(l+b)

=2(11+22)

=2*33

=66m

l*b

=11*22

=242m^