The fundamental principle of counting
Answer:
Step-by-step explanation:
Obtuse, greater than 90 degrees
Answer:
Angle x would be 87 degrees.
Step-by-step explanation:
Angles inside of a triangle add up to 180 degrees. So 51+42=93 and if you subtract 93 from 180, you get 87.
Step-by-step explanation:
you have to multiply 20 by 80
False, the slant height will be longer than the altitude because if you look at it like a right triangle, the slant height represents the hypotenuse.
