In the diagram, ∠ABC and ∠BCD are right angles, ∠BAD = t and ∠EDF = 70°. Find the value of t.
The sum of the interior angles of a regular polygon with k sides is (3k-10) right angles. Find the size of the exterior angle?
make u the subject in x =\(\frac{2u-3}{3u + 2}\)
A trader paid import duty of 38 kobo in the naira on the cost of an engine. If a total of #22,800.00 was paid as import duty, calculate the cost of the engine.
The height of an equilateral triangle of side is 10\(\sqrt{3}\)cm. Calculate its perimeter.
