WebDec 6, 2016 · and we can assume the octagon as divided in 8 isosceles triangles, whose equal sides are each 'half of the diameter' and included angle is 45o. As such each side is 4 inches and area of isosceles triangle is. 1 2 ×4 × 4 × sin45o. = 8 × 1 √2 = 4√2. Hence area of octagon is 8 ×4√2 = 32 ×1.4142 = 45.2544 square inches. Answer link. WebA regular octagon (a polygon with 8 equal sides) is inscribed in a circle of radius 14.8 cm. Find the perimeter of the octagon. The perimeter is a (Round to the nearest tenth as needed.) cm Previous question Next question
Solved A regular octagon is inscribed in a circle with a - Chegg
WebMath. Geometry. Geometry questions and answers. (1 point ) A regular octagon is inscribed in a circle with a radius of 12 inches. Find the perimeter of the octagon. Round to the nearest tenth. Perimeter = help (numbers ) WebA regular octagon is inscribed in a circle with a radius of 6 inches. (See figure below.) Find the perimeter of the octagon. (Round your answer to two decimal places.) 2. Suppose that x2 = 25 + 36 − 60 cos(51°), represents the relationship of three sides of a triangle and the cosine of an angle. Find the length of the third side. (Round your ... the grinch the play
How do you find the approximate area of an octagon given its …
WebJan 5, 2016 · How do you find the area of a regular octagon given a radius? Geometry Perimeter, Area, and Volume Perimeter and Area of Non-Standard Shapes 1 Answer Alan P. Jan 5, 2016 Area = 2√2r2 where r is the radius of the octagon Explanation: Consider the diagram below with radius r: WebNov 14, 2024 · A circle of radius 1 is inscribed inside a regular octagon (a polygon with eight sides of length b). Calculate the octagon’s perimeter and its area. Hint: Split the octagon into eight isosceles triangles. What I did is divide the entire circle into 16 parts like the following: Side A has length 1. WebOct 29, 2006 · A regular octagon is inscribed in a circle of radius 15.8 cm. Find the perimeter of the octagon. I don't have anything in my book for octagons, only rectangles. Please help. D Denis Senior Member Joined Feb 17, 2004 Messages 1,707 Oct 29, 2006 #2 Well, if you took the time to google "area octagon" you'd find: area = 8r^2 / (1 + sqrt (2)) : r … the bandstand pantry