simplylailah simplylailah

07-03-2017
Mathematics

contestada

What is the measure of angle A in the triangle?

Enter your answer in the box.

m < A = ? °

What is the measure of angle A in the triangle Enter your answer in the box m lt A class=

Respuesta :

sqwer2JESUS sqwer2JESUS

07-03-2017

The interior angles of a triangle add up to 180 degrees.

(2x - 10) + (x + 30) + 70 = 180...combine like terms
3x + 90 = 180
3x = 180 - 90
3x = 90
x = 90/3
x = 30

m < A = 2x - 10 = 2(30) - 10 = 60 - 10 = 50 <== m < A

So A=50 Degrees

Answer Link

Otras preguntas

Real Life Question: Emily and Augie are brother an sister. One was born in 2004 and the other in 1991. Both were born on a Friday but, in 2016 their birthday di

The ASEAN bloc strives to improve each member states economies, rather than focusing on peace and stability in the region. True or False?

Write two different ways to find the difference for 12 - 3

As a factor of production how is capital created? a. by adding land to entrepreneurship b. by adding human labor to land c. by removing land from services. d.

In 2 to 3 sentences explain why real GDP per capita does not reflect the actual distribution of wealth. please help me...

José __________ (entregar) la tarea.

What is -4y + 2 = 2y - 6

What is the meaning of life? Our science teacher asked us this

plz help me i dont get it

-1/9 + - 5/4 in simplest for.

good job