milenys2771 milenys2771

25-04-2018
Mathematics

contestada

Δ ABC is isosceles. If m∠A = 100°, m∠B = (12x + 4)°, and m∠C = (14x - 2)°, find x. A) 1 B) 3 C) 5 D) 7

Respuesta :

goodwinvivian0 goodwinvivian0

25-04-2018

Since the sum of the angles of a triangle is 180 degrees, we simply have to add all the angles and equate it to 180 to solve for x. So:100 + 12x + 4 + 14x - 2 = 18026x = 78x = 3
So, x is equal to 3.

Answer Link

Otras preguntas

Find the 100th and the nth term for each of the following sequence. 1,6,11,16

difference between individual identity and collective identity? please helpp

The frequency table shows the TV ratings for the American singer which ratings were selected the most

Mrs. Mendoza had 3 boxes of rocks. She gave 6 rocks away from each box. She now has 30 rocks left. How many rocks were in each box?

Tom Worker pays $900 annually for $60,000 worth of life insurance At the end of 10 years how much will Tom have paid in premiums? At the end of 10 years what wi

A bar magnet is a dipolar. This means is has how many poles

help please! I must solve using descartes law of signs or rational root theorem. show all steps please thanks!

What is a monopoly? O A. A large business that gives money to charities O B. A group of lawyers that work together to help business owners O c. A group that mak

One can ONLY add or subtract exponents when the base are _____

confused as to what this questions is asking