The measure of the vertex angle of an isosceles triangle is one-fourth
that of a base angle.
(i also need the equation)

measure of each base angle =

measure of vertex angle =

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

How do i multiply two digit numbers

What is the sum of these mixed numbers 4 2/3+ 3 1/9