Answer:
B a = 180 -77-60
Step-by-step explanation:
The angles add to 180 degrees since they form a straight line
77+ 60+a = 180
a = 180 -77-60
Answer:
x=1.2 I think......
Step-by-step explanation:
hypotenuse = c
Using base and hypotenuse to find the perimeter first......
area = 3
In order to get rid of the fractions, you need to multiply the equation by 12
13/85
Step-by-step explanation:
'sin' is the ratio of the opposite side to the hypotenuse of the given angle in a right angled triangle