6 divided by 1/4 = 24 + 12 divided by 1/4 = 48, then 48 + 24 = 72
B. Triangle B and Triangle D
Triangle A has all equal sides and Triangle C is a right triangle.
Answer:
<h2>y = 51.2</h2>
Step-by-step explanation:
Answer: Acute
Step-by-step explanation: The angles are less than 90 degrees. It does not have an 90 degree angle or have an angle bigger than 90 degrees.