As shown in figure 1.57, two poles of height 8 m and 4 m are perpendicular to the ground. If the length of shadow of smaller pole due to sunlight is 6 m then how long will be the shadow of the bigger pole at the same time?

Question

Philoid · Accepted Answer

∵ the shadows are measured at the same time

⇒ angle of of elevation will be equal for both the pole

⇒ Δ PQR~Δ ABC ………(By AA Test)

⇒

⇒ BC

⇒ x =

⇒ x = 12 m