What is the area of the equilateral triangle with the length of each side equal to a?

(C)

Step-by-step explanation:

From the given figure, it can be seen that the all the sides of the triangle are equal and are equal to a.

Now, area of the equilateral triangle is given as:

Now, we know that

then, (A)

which is not equal to the value of area of equilateral triangle, thus this option is not correct.

(B)

which is not equal to the value of area of equilateral triangle, thus this option is not correct.

(C)

which is equal to the value of area of equilateral triangle, thus this option is correct.

(D)

which is not equal to the value of area of equilateral triangle, thus this option is not correct.

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

c

step-by-step explanation: