Question
Find the length of the side of a regular octagon which
is formed by cutting the corner of square of side 20 cm?Solution
Let the sides of regular octagon be a. a² = x² + x² a² = 2x² x² = a²/2 x = a/√2 x + a/√2 + a = 20 a/√2 + a/√2 + a = 20 a(√2+1) = 20 ∴ a = 20/(√2+1) ⇒ a = 20(√2-1)
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R- which rises north of the
If 21 March is Wednesday, what will be 25th March ?
Feelings of guilt or regret
Fill in the blank:
He _______ a book every night before going to bed.
I wanted to visit the art museum , but it was closed for maintenance unless next month.
I said to my friend,” Let us go to some hill station.”
The experience has made him generally hostile _____________ people.
1) Endure
2) Climaxe
3) Comand
4) Analoug
Why did that officer neglect his duties?
It's many years ____________ Mount Vesuvius last erupted.
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