The perimeter of an equilateral triangle ABC is 10.2 cm. What is the area of the triangle ?
A1.89 \sqrt{3}$ $cm^2
B2.89 \sqrt{3}$ $cm^2
C28.9 \sqrt{3}$ $cm^2
D18.9 \sqrt{3}$ $cm^2
A1.89 \sqrt{3}$ $cm^2
B2.89 \sqrt{3}$ $cm^2
C28.9 \sqrt{3}$ $cm^2
D18.9 \sqrt{3}$ $cm^2
Related Questions:
In the given figure, ABCD is a cyclic quadrilateral. the angle bisector of ∠D and ∠C meets at point E. If the ∠DEC = 72∘, then find the value of (α + β).