Answer:
Step 1: 36.6^2 + X^2 = 42^2 = 1339.56 + X^2 = 1764
Step 2: 1764 - 1339.56 = 424.44
Step 3: square root of 424.44 = 20.6.
So the height of the screen is 20.6. Hope that helps! :)
I think it is A
Hope my answer help you?!?!?!?!?
Answer:
B
Explanation:
when forming a compund sentence you always pit a comma before a conjunction, such as and, but, or
Sonar, (from “sound navigation ranging”), technique for detecting and determining the distance and direction of underwater objects by acoustic means. Sound waves emitted by or reflected from the object are detected by sonar apparatus and analyzed for the information they contain.