A regular triangular pyramid has a base area of 31.5 mm2 and a surface area of
252 mm2. What is the lateral area of the regular triangular pyramid?

A. 220.5 mm2
B. 126 mm2
C. 283.5 mm2
D. 127.75 mm2

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

The table shows the number of hours orlando spent at football practice last week. select the appropriate numbers below to complete the model to find the number of hours orlando spent practicing on tuesday and friday.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.