Question

Are the given chords equal? Justify your answer.​

Answer 1

QUESTION:-

Are the given chords equal? Justify your answer.

ANSWER:-

We know that chords equidistant from the center of a circle are equal .

Here we are given that two chords AB and CD of a circle are each distance 4cm

(equidistant) from the center of a circle. So , chords are equal , i.e., AB = CD .

Hence , the given statement is true.

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Answer 2

The characteristics of different fibres are listed as

W: I am strong, elastic, light and burn slowly.

I shrink on heating and form hard beads with smell of burning hair.

X: I burn completely leaving least residue.

Y: I can be woven like silk fibres and dyed in a wide variety of colours. I burn quickly with a

smell of burning paper.

Z: I do not get wrinkled easily. I burn slowly and produce black smoke.

W, X, Y and Z are respectively