Among many other formulas, the area of a triangle is
where B is the angle between sides a and c.
Answer: 92.05 sq cm, first choice
Bonus. Here's a formula for the area S of a triangle your teacher doesn't know:
Answer:$60.94
Step-by-step explanation:
49.87+11.07(the total of tax plus tip)=60.94
I think it would be the third option. I jiust guessed.
Answer:
the number is 3
Step-by-step explanation:
Perhaps you'd like to find the number.
If n represents the number, we can write the relationship as ...
3n -1 = n +5
Adding 1-n to both sides gives ...
2n = 6
n = 3 . . . . divide by 2
The number is 3.
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<em>Check</em>
The product of the number and 3 is 9. One less is 8. That is 5 more than the number itself: 8 = 3 + 5.