Answer:
15 units
Step-by-step explanation:
<u><em>The picture of the question in the attached figure</em></u>
we know that
In the right triangle ABC
Applying the Pythagorean Theorem

we have

substitute the given values

solve for BC

Answer:
70
Step-by-step explanation:
Complementary angles equal 90 degrees
90 - 20 = 70
I hope this helps!
Answer:
b:4,5
Step-by-step explanation:
Answer:
I believe it's 2.1xz^4
Step-by-step explanation: