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3 votes
Find the angles of the triangle if they are proportional to the following 3 4 5

User Zneak
by
3.9k points

2 Answers

5 votes

Answer:

45 60 75

Explanation:

Let's call the angles 3 x , 4 x and 5 x

They must add up to 180 o in a triangle, so:

3 x + 4 x + 5 x = 12 x = 180 → x = 180 / 12 = 15 So the angles are:

3 ⋅ 15 = 45 o 4 ⋅ 15 = 60 o 5 ⋅ 15 = 75 o Check answer:

45 + 60 + 75 = 180

User Synthead
by
3.2k points
3 votes

Answer: 90, and 1600 degrees.2500

Step-by-step explanation:

If the angles are proportional to 3, 4, 5,Then the angle measures are 3x, 4X and 5X

Explanation:

User Pepys
by
4.0k points