Answer:
Step-by-step explanation:
B + 87 +78 +66 = 360
B = 129 °
the angle next to B then is
180 = 129 + b '
51 ° = b '
A + 61 + b ' = 180
A = 68 °
6+2n>12
n>3 is true because 6 minus 12 equal 6 divide by 2 is 3
Answer:
Ok i will check by clicking the link
Step-by-step explanation:
Answer: 8.88 inches & 9.62 inches
Step-by-step explanation:
i took the test
Answer:
Option C
Step-by-step explanation:
same logic as in 2D problems. if C wasn't true, then the two planes couldn't be parallel