% increase = Increase ÷ Original Number × 100. If the answer is a negative number, that means the percentage change is a decrease.
To find the interior angle of any regular polygon you can use the formula
where n is the number of sides
So,
The measure of an interior angle in a regular octagon is 135
What are the options to check off?
Answer: A = X + Y
B = X or Y. A = 12, B = 8, X = 2, Y = 10, A = 12, B = 9.
Step-by-step explanation:
well, we know it's a rectangle, so that means the sides JK = IL and JI = KL, so