If you look at the attached graphic, you will see that the altitude (or height) of an equilateral triangle is:
Height = side length * sq root (3) / 2
Area = side^2 * sq root (3) / 4
Answer:
Step-by-step explanation:
area of circle =22/7×4=12.56
Answer:
Step-by-step explanation:
Arc UV= 50°
Arc UYW = 360-55-50 = 255°