3 years ago

If someone could help me that would be great :)

Mathematics

1 answer:

DENIUS [597]3 years ago

7 0

Answer:

m<K = 90°

m<L = 39°

m<M = 51°

Step-by-step explanation:

This is z right triangle and thd angle of K is 90°

Since the sum of interior angles in a triangle is equal to 180° The sum of other two angles will be 90°

3x + 21 + 2x + 19 = 90 add like terms

5x + 40 = 90

5x = 50

x = 10

m<L is 2x + 19 ➡ 2×10 + 19 = 39°

m<M is 3x + 21 ➡ 3×10 + 21 = 51°

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