Assertion : The side of an equilateral triangle is 6 cm , then the area of the triangle is 9cm² Reason : All the sides of an equilateral triangle are equal.
a. Both assertion and reason are true and reason is the correct explanation of assertion.
b. Both assertion and reason are true but reason is not the correct explanation of assertion.
c. Assertion is true but reason is false.
d. Assertion is false but reason is true.​