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

HELP PLEASE !!!!! 1 . What is the value of the sum indicated by the expression ( the bottom is 2k + 2 )
i need expert quotes on red pandas
Equivalent mixed number for: 21/8 = ?
what is 5 divided by 3,200
HELP HELP HELP HEP HELP HELP HELP HELP1. Benito Mussolini 2. Joseph Stalin 3. Adolf Hitler Help please tell me who goes where Dictator of Germany Dicta
What would be the mean if the value 3 was added to the following set? 14, 14, 17, 19, 25 17.8 20.8 18.4 15.3
Which three amendments were passed shortly after the Civil War? the First, Second, and Third Amendments the Thirteenth, Fourteenth, and Fifteenth Amendments the
I need help factoring!
How do I find precentges of money
Identify the type of chemical reaction. H2CO3 H2O + CO2 decomposition exchange reversible synthesis