takialove14 takialove14
  • 18-11-2020
  • Mathematics
contestada

i need help with this ^

i need help with this class=

Respuesta :

kotterful
kotterful kotterful
  • 18-11-2020

Answer:

a=45º

Step-by-step explanation:

The angles in a triangle added up= 180º

so, we can make the equation:

2a-20+2a-20+a-5=180

simplify

5a-45=180

5a=225

a=45

Answer Link

Otras preguntas

Using the method of mathematical induction to prove that equalities are true for values ​​of n indicated:2²+4²+6²+...+(2n)²=[tex] \frac{2n(n+1)(2n+1)}{3} ,n \ge
what is 4/11 in decimal form?
The atomic number tells you the number of what in one atom of an element?
Find the unknown digit to make each statement true 5.345>5.34_>5.343
what are all the factors for the number 8
Which property is represented ? 0+45=45
Name 3 different pairs of fractions that have the same product when multiplied
Ramon caught twice as many fish as his brother if his brother caught f amount of fish write an expression that shows how many fish Ramon caught
If y + 2q = 15, q + 2p = 5 and p + 2y = 7, then find the value of p + q + y.
a wage rate based on the amounts produced by an employee is called______?