Dr. black is standing 15 feet from the streetlamp. the lamp is making his shadow 8 feet long. he estimates that the angle of elevation from the tip of his shadow to the top of the streetlamp is 50°. to the nearest foot, the streetlamp is about

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Ihonestly have no clue if it's each or none.

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.