Answer:
X = 18
Y = 9√3
Step-by-step explanation:
use sin equation for right angle triangle
The sine of the angle
= ( the length of the opposite side ÷ the length of the hypotenuse.)
according to this question,
sin 30 = 9 / X
1/2 = 9 / X
use cosine to find y
The cosine of the angle
= (the length of the adjacent side ÷ the length of the hypotenuse.)
cos 30 = y/x
√3/2 = y/ 18
y = 9 ✓3
Given: A = 72°, a = 34, b = 21
Calculated: B = 35.97°, C = 72.03°, c = 34.00
C = 180° - 72° - 35.97°
C = 72.03°
The perimeter of a circle, often called the circumference, is proportional to its diameter and its radius.
mean=sum of all observations/no.of observations
mean =23+15+6+5+6/5
mean=55/5
mean=11
population mean =11
hope this answer helps