In the following problems, compute the radius in inches of the following circles drawn on a computer screen. Two points, with coordinates measured in pixels, define each circle. The first point marks the center of the circle and the second marks a point on the circumference. The radius is the distance between the two points. Assume that a pixel is a dot with diameter of 0.28 millimeters.
(400, 100) and (600, 300)
Radius is distance between center (x1, y,) and point on the circumference (x2, Y2). Distance (r) can be found using the Pythagorean equation:
r = 282.8427 (pixels) * 0.28 (mm / pixel) = 79.1960 mm
r = 79.1960 (mm) * 1/1000 (meter / mm) * 39.37 (inches / meter) r = 3.1179 (inches)
Radius is 3.12 inches (rounded to 2 places)
You might also like to view...
A class is generic
A) if it is a subclass of the Object class B) if it is a superclass of the Object class C) if it has type parameters D) if it has method parameters
The shopping cart is a program that is usually written in ________
Fill in the blank(s) with correct word
The Erase All Ink on Slide option can be used to remove ink annotations from a single slide
Indicate whether the statement is true or false
Methods are usually nouns because they describe things.
Answer the following statement true (T) or false (F)