Question

Two circles O1 and O2 are congruent to each other. If the diameter of O1 is 10cm, then radius of O2 is?​

Answer 1

Answer:

Heat and light are different but they are both forms of energy. Heat is a form of kinetic energy contained in the random motion of the particles of a material. Light is a form of electromagnetic energy. As with other forms of energy, heat energy can be transformed into light energy and vice versa

Answer 2

O1≅O2

That means O1 and O2 has same length, shape

so O2 = 10 cm since O1 = 10 cm

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