Question
In a classroom, 4 friends are seated at the points A. B. C and D as shown in Fig. 7.8. Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli, Don't you think ABCD is a square? Chameli disagrees. Using distance formula, find which of them is correct.
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Solution: As per the given figure, 4 points are:
Using distance formula,
It means all sides are equal.
Now, we will check diagonals.
So, diagonals are also equal.
As, both sides and diagonals are equal, It is a square.
As Champa was saying, it is a square, she is correct.
Using distance formula,
It means all sides are equal.
Now, we will check diagonals.
So, diagonals are also equal.
As, both sides and diagonals are equal, It is a square.
As Champa was saying, it is a square, she is correct.
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Question Text | In a classroom, 4 friends are seated at the points A. B. C and D as shown in Fig. 7.8. Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli, Don't you think ABCD is a square? Chameli disagrees. Using distance formula, find which of them is correct. |
Answer Type | Text solution:1 |
Upvotes | 150 |