A quadrilateral has three angles measuring 60 º , 45 º, and 100 º . What is the measure of the fourth angle?
1 answer:
You might be interested in
We are asked to determine the area of the given figure. To do that we will divide the figure into a square and a triangle. The area of the square is the product of its dimension, therefore, the area is:
The area of the triangle is given by the following formula:
Where "b" is the base and "h" is its height. Replacing the values:
The total area is the sum of both areas:
replacing the areas: