Answer:
It would be -4 + 11 = 7. :D
Step-by-step explanation:
Answer:
<u>A = 61°</u>
<u>B = 72°</u>
<u>C = 47°</u>
Step-by-step explanation:
Well, first of all, we can see that:

So, we can find angle B.


Now, we can see to that angle C is just 47°
Finally, we know that the sum of all angles in a triangle is 180°, so we have:



I hope it helps you!
Area of a quarter circle = 1/4 * pi * r^2
= 1/4 * pi * 4^2 = 12.6 m to 3 sig figs.
perimeter = 4 + 4 + 1/4 * 2 pi * 4 = 14.3 to 3 sig figs.
Answer:
the answer is D
Step-by-step explanation:

<h3>i) collect like terms by subtracting their coefficients</h3>

<h3> ii) subtract the numbers</h3>
