Answer:
tan 55°
Step-by-step explanation:
(tan 130° − tan 75°) / (1 + tan 130° tan 75°)
Use angle sum formula to rewrite:
tan (130° − 75°)
volume=area of side triangle×distsnce between triangles
=1/2×20×8×5
=400 in³
1/40
12 + t = A (amount spent)