Answer:
70
Step-by-step explanation:
Answer:
1. 180° ∑triangle angles=180°
2. 2x
3. 52°
Answer:
Step-by-step explanation:
150 -12.2 -rounded
350 -18.4.
add or subtract
6:15:21
6:15:21= 2:5:7
<em>(when divided by 3)</em>
Answer:
Step-by-step explanation:
The submarine is underwater for 6 seconds. The submarine hits the water after 1 second and comes back up at the 7th second.