Answer:
Step-by-step explanation:
area of a triangular face = 0.5×4×3 = 6 square units
lateral area = area of 4 triangular faces = 4×6 = 24 square units
base area = 4² = 16 square units
total surface area = lateral area + base area = 24+16 = 40 square units
Answer:
-2y^4 -5y^2 +42
Step-by-step explanation:
Answer:
5x-y-36=0
Step-by-step explanation:
y+4=5x-40
5x-y=36
Answer:
-4 + 1
10 - 13
-1 x 3
-9/3
Step-by-step explanation:
