Say you're trying to calculate the area of a circle with a radius of 3 inches. You would multiply 3 times 3 to get 9, and multiply 9 times π. Remember that π is equal to 3.14. Also note that when you multiply inches by inches, you get square inches, which is a measurement of ...
such as square inches or square centimeters. To find the area of the circle, you only need to know the radius. The radius is the distance from the center of the circle to any point on the circle. Since all points on a circle are equidistant, it doesn't matter which point on ...
Now, add both values to calculate the square footage of the room: 140 sq.ft. + 30 sq.ft = 170 sq. ft So you'll need 170 sq. ft. of flooring materials for this room.Triangular and circular shapes It may be that the area you're measuring isn't square or rectangular, but triangula...
For example, the area of the circle is {eq}\pi r^2 {/eq} where {eq}r {/eq} is the radius of a circle and the area of the triangle is {eq}\frac{1}{2} \times ( \text{Base}) \times (\text{Hight}) {/eq}.Answer and Explanation: In the given question, the are...
In mathematics, geometric shapes can have their surface area and volume compared. The volume is the portion contained within the entire object, while the surface area is the sides of the object. Answer and Explanation: First one notes that the open-ended cub...
Calculate the length of the arc subtended by an angle of55∘on a circle of radius 60 inches. Round off your answer to 1 decimal place. Circles and Formula of Arc Measure: In geometrical mathematics, circles have a closed lo...
Given GD = 4 inches. Find the area of the shaded region; the shaded area is FGBCDE. Show all steps. The area of a trapezoid is 80 square units. If its height is 8 units, find the length of its median. A rectangle with a length of 12 units...