0.15x + 100
x representing amount of text messages sent or received
all triangles are similar but B and D may be the answer
S.A = (2×area of base) + area of lateral faces
Area of lateral faces = area of base × height
Area of lateral faces = 19×4×8=608
S.A = (2×19×4)+608
=760
Answer:
What is the exact value of tan(−π4)? is 20
