Answer:
m(∠R) = 5°
Step-by-step explanation:
By applying sine rule in the given triangle RST.



sin(∠R) = 
= 0.09237
m(∠R) = 
= 5.3°
≈ 5°
Answer:
x= 40
y= 38
Step-by-step explanation:
Answer:
a-b=12
Step-by-step explanation:
(a²-b²)/(a+b) = 12
(a-b)(a+b)/(a+b)=12
a-b=12
Answer:
45.3191
Step-by-step explanation:
0.0229 is 100 times smaller that 2.29 but 1979 is 100 times greater than 19.79. Since they cancel each other out, the answer remains the same.