Answer:
x = 120
Step-by-step explanation:
The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles, then
x = 70 + 50 = 120
Answer:
Step-by-step explanation: It is possible if we consider lines horinzontally and vertically.
If there is a total of 7 bones and 3 straight lines are formed, it means that we have 2 straight lines in one direction and another one in another direction, using the same units.
It's very easy to see on the picture attached.
Answer:
cos ∅ = 15/17
Step-by-step explanation:
hypotenuse² = 15² +8² = 225 + 64 = 289
hypotenuse = √289 = 17
cos ∅ = 15/17 =
Answer:
-x + 1 __________________________