Discover Questions

Is the sun ALWAYS rising somewhere and ALWAYS setting somewhere? Find the area of an isosceles triangle ABC with base a,side b, angle at base α and angle at the top γ b=8dm γ=55' area=? The answer is $3.85? Determine the truth value:
A, B= True statements; X, Y= False statements; P, Q = Unknown truth values:
1.) (P ⊃ A) ∙ (B ∨ Q)
2.) A ⊃ (B ⊃ Q)? If a, b and c are in continued proportion then show that (a²+b²) ∕ b(a+c) = b(a+c) ∕ b²+c²?