Answer:
the answer is 83 degrees
Step-by-step explanation:
most angles that connect diagonally are vertically opposite angles. hope it helps have a great day and can i get brainliest
Answer: 18 cm2
Step-by-step explanation: the surface area of the cube is 54 cm2 and the rectangular prism is 72 cm2 so 72 - 54 = 18