Answer:
0.1 I believe would be your answer
Is the base (leght width) plus the areas of each of the four triangular faces
Step 1: Find the Lowest Common Multiple between the denominators.
Step 2: Multiply the numerator and denominator of each fraction by a number (the one that will get them to the lcm) so that they have the LCM as their new denominator.
Step 3: Add or subtract the numerators and keep the denominator the same.
Answer:
x = 10
Step-by-step explanation: