Answer:
420
Step-by-step explanation:
Answer:
what boxes? XD need a link to da picture UWU
Step-by-step explanation:
So all angles within a triangle should add up to 180, 102+31= 133 then subtract. 180-133=47
X-47
Answer:
Length of base (a) = 5 units
Total Surface Area of Pyramid (T.S.A.) = ?
Now,
T.S.A. = Area of four triangles + Area of base
=
≈ 