21. La distancia entre dos puntos A y B es de 20 metros y el ángulo de elevación de un

Follow me on my social media: FB:   / matemario19   IG:   / mate_mario2019   Contact me for online classes via Instagram: IG:   / mate_mario2019   Or Facebook: FB:   / matemario19   Or email: [email protected] Support this channel by joining the membership:    / @matemario2000   ________________________________________________________________________ ___ 21. The distance between two points A and B is 20 meters, and the angle of elevation of a hot air balloon is 58° 20' and 67° 32' respectively. How high above the ground is the balloon?