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15. Find DE.

C

24 61°

A

F

19°

D

E

15 Find DE C 24 61 A F 19 D E

Answer :

The value of side DE of the triangle is 14.91 units

How to find the DE of the triangle?

Trigonometry is a branch of mathematics dealing with the relationship between the ratios of the sides of a right-angled triangle with its angles.

In triangle CDF,

tan 61° = DF/24

DF = 24 * tan 61°

DF = 43.30 units

In triangle DEF,

tan 19° = DE/43.30

DE = 43.30 * tan 19°

DE = 14.91 units

Learn more about Trigonometry on:

brainly.com/question/11967894

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