tabasumkiyani05 tabasumkiyani05

23-04-2021
Mathematics

contestada

In the diagram AC = 23 mm and angle ABC = 30°.
Find the length of AB.
АB

Respuesta :

abidemiokin abidemiokin

28-04-2021

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

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