Question

please help me
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Answer 1

Answer:

1.A triangle with sides 9 cm, 12 cm and 15 cm is a right angled triangle so the radius of the circumcircle is half the hypotenuse = 15/2 = 7.5 cm.

2.i think 24% iam not sure about this question

first one is right

i  got answer as$\frac{50}{3}$ =$16\frac{2}{3}$

Step-by-step explanation:

Answer 2

Answer:

(1) 7.5cm

A triangle with sides 9 cm, 12 cm and 15 cm is a right angled triangle so the radius of the circumcircle is half the hypotenuse = 15/2 = 7.5 cm.

Step-by-step explanation:

(2) If there is a profit of 20% on the cost price of an article the percentage of profit calculated on its selling price will be 813 b.

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