Question

solve both questions​

Answer 1

Answer:

The answer of Q2 is 5 cm.

Step-by-step explanation:

OB^2 + OC^2 = BC^2

(by Pythagoras theorem)

BC^2 = 3^2 + 4^2

BC^2 = 9+16 = 25

BC = √25 = 5

and the value of x in Q3 is 6

because 3x-1 = 2x+5

3x-2x = 5+1

x = 6

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Answer 2

5 cm is the correct answer.

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