Use the diagram to find the angle measures of the triangle. Recall that the sum of the angle measures of a triangle is 180°
2 answers:
Answer:
x° = 25°
(x + 5)° = 30°
5x° = 125°
Step-by-step explanation:
total angle inside the triangle = 180 = x + (x+5) + 5x
180 = x + x + 5 + 5x
group like terms
7x + 5 = 180
subtract 5 each sides
7x = 175
x = 175/7
x = 25°
<u>solve for : (x + 5)°</u>
(x + 5)° = 25 + 5
(x + 5)° = 30°
<u>solve for 5x°</u>
5x° = 5 * 25
5x° = 125
check
180 = x + (x+5) + 5x
180 = 25 + (25+5) + (5*25)
180 = 25 + 30 + 125
180 = 180
Answer:
Step-by-step explanation:
We know that sum of angle of triangle adds up to 180°
<u>Finding </u><u>the </u><u>value </u><u>of </u><u>x</u>
Collect like terms
⇒
Move 5 to right hand side and change its sign
⇒
Subtract 5 from 180
⇒
Divide both sides of the equation by 7
⇒
Calculate
⇒
<u>Finding </u><u>the </u><u>value </u><u>of </u><u>(</u><u> </u><u>x </u><u>+</u><u> </u><u>5</u><u> </u><u>)</u><u>°</u>
plug the value of x
⇒
Add the numbers
⇒
<u>Finding </u><u>the </u><u>value </u><u>of </u><u>5</u><u>x</u>
Multiply the numbers
⇒
Hope I helped!
Best regards!!
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