1.a covid isolation room is 7 m by 9 m (m=meter).what is its perimeter
A 16 m
B 32 m
C 63 m
D 130 m
2.how many square centimeters are there in 5 m?
A 50 cm
B 500 cm
C 5000 cm
D 50000 cm
3.8×5
walng pagpipilian
Answer:
1. B
to find the sum of the height and the width after that you need to multiply 2x the sum of the W and H so this is the solution
7+9=16
7+9=162×16=32
So the answer is letter b
2. D
5 square metres =
5 square metres =50000 square centimetre
3. 8×5 = 40
Step-by-step explanation:
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