Answer:
Triangle UVT and TSR are isosceles triangles (two equal sides).
Angle WUV = Angle WTV (base angles of isosceles triangle)
Angle RTS = Angle TRS (base angles of isosceles triangle)
Line VW is perpendicular to line UT.
Angle WTV = Angle RTS (vertically opposite angles)
Angle WTR = Angle VTS (vertically opposite angles)
The formula for the volume of a rectangular solid is V = L*W*H
Multiply out the length, width and height given: 40*10*5 = 400*5 = 2000
The volume is 2,000 cubic centimeters
Alternatively, you could have wrote down the formula instead of describing it with words. maybe then I could have helped you
Answer:
D. 128
Step-by-step explanation:
The sum of external angles of a convex polygon is 360°, so b is ...
b = 360° -150° -82° = 128°