Question

3. In ∆ PQR, ∠Q=90°, ∠P=30°, PR=8cm then find PQ step by step plsssaa​

Answer 1

Step-by-step explanation:

if an object of 7 cm heght is placed at a distance of 12 cm from a convex lens of focal length 8 cm foind the position,nature and height of image

please mark brainlist

Answer 2

Step-by-step explanation:

we do this from trignomertic angles

sin 30 = 1/2

sin 30 = perpendicular / hypothenis

sin 30 = PQ/ PR

1/2 = PQ/ 8

PQ = 8/2

PQ = 4

TQ .....