What is the area of a right triangle 21 centimeters wide and 13 centimeters tall?
2 answers:
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Answer:
Step-by-step explanation:
Given:
Let's distribute the parenthesis
Let's subtract from both sides
Let's add to both sides
Now, let's divide both sides by to get
alone
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Total thickness of the stack of cards = 3/4 inch or 0.75 inch
In a full stack of cards, there are 52 cards.
Hence, the thickness of 52 cards = 0.75 inch.
To find the thickness of one card, we divide the total thickness with the total number of cards.
Thickness of one card =
1 inch = 2.54 cm
0.014423 inch is approximately equal to 0.34 cm.
Answer = 0.34 cm