The three sides of an equilateral triangle are equal in length. What is the perimeter of the equilateral triangle shown? 18 mm

6mm

Step-by-step explanation: It is an equilateral triangle so all equal length so 18/3 sides equal to 6mm

c

step-by-step explanation:

step-by-step explanation:

given expression is .

now we need to simplify the given expression .

we know that square root is equivalent to the power 1/2. so that means we can take half of the exponents to get the square root of given expression.

expanding that will give a very very large number so let's keep answer in exponent form.