leiaelizb
leiaelizb leiaelizb
  • 04-05-2018
  • Mathematics
contestada

Can someone please help me with this

Can someone please help me with this class=

Respuesta :

lironica
lironica lironica
  • 04-05-2018
clearly its an isosceles triangle (two sides are equal)

then according to the theorem the third angle which is in front of 21 should be

and we know that sum of 3 angles in triangle is 180

x+x+38=180

2x=142

x=71
Answer Link

Otras preguntas

NEED HELP PLEASE!!! Please explain your answer!
The grade you earn for a specific course is an example of _____.
Efficiently scheduling material and labor is an example of ________________ decisions
Which one of the following surveys measures the prevalence and severity of food insecurity and hunger? A. Food Security Supplement Survey B. CDC Survey C. WIC
what is the result of converting 2.3 miles into yards
Why was the Ottoman Empire a desirable territory for European nations during the nineteenth century? A. It shared boundaries with India. B. It had control over
What does hadero mean when she uses the term, "sonic lineages". what does she describe as her own sonic lineages?
Calculate the density of an object that has a mass of 43 g and a volume of 56.0 ml.
What is the decimal equivalent of this percent? 2691%
How could shifts in the physical environment have caused major changes in early civilizations? Select all that apply.