Answer:
her equation should be a² + 3² = 4²
Step-by-step explanation:
a² + 3² = 4²
a² + 9 = 16
a² = 7
a =
a ≈ 2.6 inches
The first one was identity property of addition. the answer for question 6 is the last one. the answer for question 7 is the first one the asnwer for 8 is the first one
<span>It is 5.5 miles from sea level.</span>
Answer:
a 8
Step-by-step explanation:
You are given two sides and the included angle. Since you don't have any side and the opposite angle, you must use the law of cosines.
Answer: a = 8 cm