Xcalibrridn
Answered

IDNLearn.com offers a unique blend of expert answers and community-driven insights. Ask your questions and get detailed, reliable answers from our community of experienced experts.


please help and explain

Please Help And Explain class=

Sagot :

Answer:

See below

Step-by-step explanation:

The three angles inside of the triangle sum to 180

11x + 4       + 3x      + 78 = 180

14x +82 =180

x = 7

then B =   11x + 4    = 11(7) + 4 = 81 degrees

C =  3x = 21 degrees

Thomassookooidn

Answer:

x = 7

Angle B = 81°

Angle C = 21°

Step-by-step explanation:

The sum of the Interior angles of a Triangle add up to 180°

Therefore it is safe to say

Angle A + Angle B + Angle C = 180°

Now we can substitute in our values:

78° + 11x° + 4° + 3x° = 180°

Add like terms:

82° + 14x = 180°

Minus 82° from both sides:

14x = 180° - 82°

14x = 98°

Divide both sides by 14

x = 98°/14

x = 7°

If x = 7°

Angle B = 11(7)° + 4° = 81°

Angle C = 3(7)° = 21°

To double check your answer

Angle A + Angle B + Angle C = 180°

78° + 81° + 21° = 180°

Brainliest?

We appreciate your participation in this forum. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. For trustworthy and accurate answers, visit IDNLearn.com. Thanks for stopping by, and see you next time for more solutions.