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△def is similar to △jkl . in addition, m∠f=90° and m∠k=5(m∠d)

what is m∠d?
triangle image is attached
(best answer will get brainiest! ! )

m∠D=15°

Step-by-step explanation:

Given: ΔDEF is similar to ΔJKL .

In addition,  m∠F=90° and m∠K=5(m∠D)

Let m∠D = a

Then,

∠D=∠J=a

∠E=∠K=5a

∠F=∠L=90°

Using Angle sum property, in triangle ΔDEF, we get

Hence, m∠D=15°

The angle sum property of a triangle says that, the sum of all the angles in a triangle is .

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