How many centimetre square are there in a rectangle of 10cmby5cm
1 answer:
Answer:
30cm²
Step-by-step explanation:
Since there are two 10 centimeter sides, this can be shown as 10cm×2=20cm. Since there are two 5 centimeter sides, this can be shown as 5cm×2=10cm. 20cm+10cm=30cm².
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