Check the picture below.
make sure your calculator is in Degree mode.
Answer: 86.5 in²
Step-by-step explanation: Circumference is2·pi·r= 32.97 in.
Radius r = 32.97 in/ 2pi = 5.247 in. Area is pi·r²
The length of the third side is about 7.81 inches and the perimeter of the triangle is about 18.81 inches
Answer:
14/15 is the answer
Step-by-step explanation:
7/5x2/3
14/15
Two angles are called complementary if their measures add to 90 degrees, and called supplementary if their measures add to 180 degrees.
In radians this are

To find the complement of 3π/4, subtract it by π/2

To find the supplement of 3π/4, subtract it by π.