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Help will give braniest answer to person who is correct find the degree measure of each angle in the triangle

Help will give braniest answer to person who is correct find the degree measure of-example-1
User Mintedsky
by
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2 Answers

0 votes

Answer:


m\angle I = 90\degree


m\angle J= 61\degree


m\angle K = 29\degree

Explanation:

(5x + 26)° + (2x + 15)° = 90°

(5x + 26 + 2x + 15)° = 90°

(7x + 41)° = 90°

7x + 41 = 90

7x = 90 - 41

7x = 49

x = 49/7

x = 7


m \angle \: I= 90 \degree \\ \\ m \angle \: J=(5x + 26) \degree = (5 * 7 + 26) \degree \\ \\ m \angle \: J = (35+ 26) \degree \\ \\ m \angle \: J= 61\degree\\ \\ m \angle \: K=(2x + 15) \degree = (2 * 7 + 15) \degree \\ \\ m \angle \: K = (14+ 15) \degree \\ \\ m \angle \: K = 29\degree

User AlexDrenea
by
5.6k points
5 votes

Answer:

Angle I = 90 degrees

Angle J = 61 degrees

Angle K = 29 degrees

Explanation:

Angle I is given

We know that the angles in all triangles add up to 180. Since we are given that angle I is equal to 90 degrees, we now know that angle J + angle K = 90 degrees:

(5x+26) + (2x+15) = 90

Solve for X:

7x + 41 = 90

7x = 49

x = 7

Angle J = (5x + 26) = (5(7) + 26) = 61

Angle K = (2x + 15) = (2(7) + 15) = 29

Checking your work: 61 + 29 = 90

User ZelkiN
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5.7k points