DGE, it’s a vertical angle
Subtraction , you would subtract on both sides to get the variable by itself
Total surface area = 2(62.4) + 3(72) = 340.8 cm²
Your friend did this : 2(62.4) + 72 = 196.80.
He did not multiply the 72 by 3 (Since there is 3 sides)
Answer:
The y-int is 4
Step-by-step explanation: