Answer: The answer is 60 square inches.
Step-by-step explanation: Given that Danny has a triangular pyramid where all the four triangles are congruent. The height and base of one triangle are 6 inches and 5 inches respectively. We are to find the surface area of the pyramid.
The area of one triangle is given by

Since the pyramid consists of four congruent triangles, so the surface area of the pyramid will be

Thus, the answer is 60 sq. inches.
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The answer is either BC or BD
What is the first point I cant even see it? but all triangles equal 180 degrees so It's B becuase mg and me are 65 degrees 65+65 equals 130. 130 plus 50 is 180 thus your answer I hope I could help <span>(o^▽^o) <3</span>
Area = length x width
So, 36/3 = 12
Width is 12