Rohan made a Christmas card for his teacher. The length and breadth of the card is 10 cm and 5 cm respectively. He wants to put lace around the card and colour the background of the card red.
What is the length of lace required?
What is the area of the card which he will colour red?
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Answer:
length of lace=15cm
area of red card=50cm square
Step-by-step explanation:
card length=10cm
card breadth=5cm
he wants to put lace around card
so, length of lace=10cm+5cm=15cm
area of red card=10cm×5cm=50cm square
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