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scZoUnD [109]
3 years ago
14

If m∠6=85° , what is the measure of ∠3 ?

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
8 0

Answer:

42.5

Step-by-step explanation:

its easy not even needed to be explained!!

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Find the degree measure of each angle in the triangle. Giving brainly
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Answer:

∠ I = 39°, ∠ J = 51°, ∠ K = 90°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the3 angles and equate to 180

3x + 21 + 5x + 21 + 90 = 180, that is

8x + 132 = 180 ( subtract 132 from both sides )

8x = 48 ( divide both sides by 8 )

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Then

∠ I = 3x + 21 = 3(6) + 21 = 18 + 21 = 39°

∠ J = 5x + 21 = 5(6) + 21 = 30 + 21 = 51°

∠ K = 90°

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