Question

What is the value of t on the truss of the bridge?

Answer 1

t° = 55°

Explanation:

t° + 55° = 90° (Exterior angle of a triangle is equal to the sum of the opposite interior angles.)

`{t}^(o) + {55}^(o) = {90}^(o) \\ {t}^(o) = {90}^(o) - {55}^(o) \\ {t}^(o) = {35}^(o) \\`