Answer:
=
Step-by-step explanation:
<span>D. r + (-r) = 0
</span>
The additive inverse<span> of a number a is the number that, when added to a, yields zero. This number is also known as the opposite.</span>
Answer:
Step-by-step explanation:
x+62=90 degree (being perpendicular)
x=90-62
x=28 degree
x+25=90 (being perpendicular)
x=90-25
x=65 degree
Answer:
It is the second one
Step-by-step explanation:
πr² = π.5.5 = π25 units² or 78.5 units²
hope it helps...!!!
