The first answer is ''Linear pair postulate''
The second answer is ''Definition of suplementary''
The third answer is ''m∡ACB+45=180''
The fourth answer is ''Subtraction Property of Equality''
The fifth answer is ''∡ACB is obtuse''
The sixth answer is ''Definition of obtuse triangle''
Good luck!!!
Josh did not follow the order of operations , he should have done 8x divided by 2 first but instead he did 4x- 8x
The correct solution...
4x-8x / 2
4x -4x
0
The solution should be zero (0)
Hope it helps!
Answer:
The surface area of a square pyramid is the sum of the areas of all its 4 triangular side faces with the base area of the square pyramid. If a, h, and l are the base length, the height of the pyramid, and slant height respectively, then the surface area of the square pyramid = a2+ 2al (or) a2+2a √a24+h2 a 2 4 + h 2 .
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
90 - 30 = 60
60 - 45 = 15
d.15
