Question

Ainsley’sandCaleb’sapartmentbuildingsareexactlythesameheight. Ainsley measures the distance between the buildings as 51 m and observes that the angle of depression from the roof of her building to the bottom of Caleb’s is about 64°. How tall, to the nearest metre, is each building?

Answer 1

review your basic trig functions. You will see that the height h can be found using

h/51 = tan 64°