Answer:
It is 21
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
10 is 5 less than fifteen.
Sorry if its wrong
Answer:
withhhhhhhhhtttttt whaaaaaaaaaaatttttttttttt??????????????????
Step-by-step explanation:
1)inside the triangule is 180º .There are 3 angules, one with 120º, theta and
angle ACB, lets call it x.
x + theta + 120 = 180
x + theta= 180-120
x + theta= 60
x= 60- theta
angle ACB= 60- theta