Answer:
For the first one it is B.
Step-by-step explanation:
Answer:
Sound energy is produced when a force causes an object or substance to vibrate. The energy is then transferred through the substance in waves, called sound waves.
Step-by-step explanation:
∠V= 90°
So, 63°+90°+___=180°
27° will be the number in the blank.
Finally, 90°+27°= 117°
In short, the answer would be: ∠RVP= 117°
Hope this answer helps! Good luck :)
Im sorry but i really cant see any of the words or number and ik this