If x=1/3 y, show y=135°. Supplementary angle

see explanation

Step-by-step explanation:

Supplementary angles sum to 180°  , then

x + y = 180 , that is

y + y = 180 ( multiply through by 3 to clear the fraction )

y + 3y = 540

4y = 540 ( divide both sides by 4 )

y = 135°

the answer is b i just did that

step-by-step explanation:

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation: