Respuesta :

abidemiokin

Answer:

AB = 11.5mm

Step-by-step explanation:

let the hypotenuse be AC = 23mm

Angle of elevation = 30degrees

Required

Opposite AB

Using the SOH CAH TOA identity

Sin theta = opp/hyp

Sin 30 = AB/AC

Sin 30  = AB/23

0.5 = AB/23

AB = 0.5 * 23

AB = 11.5mm