A triangular pyramid is shown below. 9 in. 9 in. 7 In. 7 in.- 6.1 In. 7 in. Which diagram is a net for this pyramid? 9 in. 9 In. 7 in. 7 in. 9 in. 7 in. 7 in. 7 in. 7 in. 6.1 in. 6.1 in, 7 in. 7 in. 7 in. 7 in. What is the surface area of the triangular pyramid? Submit square inches​