Answer:
96 degrees
Step-by-step explanation:
STR + STQ=180 degree
Substitute
x+x-12=180
2x-12=180
2x=192
x=96
Answer:
r = 26
Step-by-step explanation:
C = 2 π r
163.28 = 2 (3.14) (r)
163.28 / 2 / 3.14
26 = r
400000 10 to the fifth power is 100000, so when you switch out the 1 for a 4, it become 400000.