What is the surface area of the triangular pyramid shown? Round to the nearest tenth. A triangular pyramid. The base has a base of 6 and a height of 4. A side has a base of 6 and height of 5.2. 2 sides have a base of 5 and height of 6.
57.6
69.6
73.2
87.6
please help me its for a quizz