mimi7436 mimi7436

02-11-2020
Mathematics

contestada

What is angle A please help

What is angle A please help class=

Respuesta :

fatimunir24 fatimunir24

02-11-2020

Step-by-step explanation:

sum of all angles in a triangle is 180 degrees

x + 3x + 13 + x - 8 = 180

5x + 5 = 180

5x = 175

x = 37°

A = 3x + 13

3(37) + 13

A = 124°

Answer Link

Otras preguntas

Sue is in a play that has several scenes occurring in the countryside. During these scenes, the stage is set with a painted backdrop of small rolling hills and

Olympic athletes have lower resting heart rates because

Improved the lives of the Russian serfs

Scientists once believed that Tyrannosaurus rex dragged its tail along the ground. Today, they know that T. rex did not drag its tail but held it aloft, above t

Olympic athletes have lower resting heart rates because

Due to human demand because of its importance to life, the Earth's most precious resource is A. soil.B. saltwater.C. freshwater.D. oil.

As a result of the election of 1876, which person brought Reconstruction to an end in 1877? Edwin M. Stanton Rutherford B. Hayes Thaddeus Stevens Ignatius Donne

what temperature is 10 degrees higher than minus 7 degrees

The words "high altitudes, harsh climate, and few trees" describe which United States ecosystem? Alpine Deciduous forest Desert Grassland

Over which of the following domains of governance do state governments NOT have authority?