The answer is m∠R = 48.59
°
Answer:
<h2>LA = 24 ft²</h2>
Step-by-step explanation:
In the base we have the right triangle. Use the Pythagorean theorem for to calculate the hypotenuse:

The Lateral Area is the sum of the areas of three rectangles:

The Lateral Area:

Answer: B) -2.24
Step-by-step explanation: