Answer:
60
Step-by-step explanation:
let's say the angle is x
tan x=2√21/2√7=1.73205...
tan inverse of it = 60
Step-by-step explanation:
the problem from the given x and y would be
6-2(3)
Answer:
Step-by-step explanation:
angle 1 and angle 2 add to 180 degree because they are supplementary angel and in supplementary angle sum of two angles is 180 degree
angle 1 and angle 3 is equal as they are vetically opposite angles and vertically opposite angles are always equal.
angle 3 and 4 add to 180 degree because they are supplementary angle and in supplementary angle sum of two angles id 180 degree.
angle 2 and angle 4 are equal because they are vertically opposite angles and vertically opposite angles are always equal.
Answer:
12a-5
Step-by-step explanation:
add like terms
