74-50 is 24. 24/2 is 12.
your number was 12.
Answer:
Rain is correct, calculates correctly, 238.5 square inches
Step-by-step explanation:
The given triangular pyramid is shown with the dimensions.
The surface area of the triangular pyramid is given by :





Therefore, the surface area of the triangular pyramid is = 238.5 square inches.
Always congruent due to the way the shape is built