22-04-2020
Mathematics

contestada

The measures of the three angles of a
triangle are given by 3x + 1, 2x - 3. and 9x.
What is the measure of the smallest angle?
A 13° C 290
B 23° D 40°

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kenlingdad kenlingdad

22-04-2020

Answer:

B 23°

Step-by-step explanation:

(3x + 1) + (2x - 3) + 9x = 180

14x = 182

x = 13

smallest angle: 2 x 13 - 3 = 23

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