Answer:
39°
sum of triangle's interior angles: 180°
180°-90°-51°=39°
Answer:
im guessing 15
Step-by-step explanation:
Answer:
300 m
Step-by-step explanation:
20 meters per minute. 15 minutes it dives. 20x15 is 300
The number that was left out is 70.
<h3>What is the number that was left out?</h3>
Average is the sum of a set of numbers divided by the total numbers in the data set.
Average = sum of numbers / total numbers
- Sum of numbers when there are 8 numbers = 56 x 8 = 448
- Sum of numbers when there are 7 numbers = 54 x 7 = 378
- Difference = 448 - 378 = 70
To learn more about average, please check: brainly.com/question/25842202
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