Question

the measures of external angles of qadrilateral are (2x-15)° , (x+45)°,(3x)° and (2x+10)° what is the measure of the smallest angle of the quadrilateral​

Answer 1

Answer:

65° or 2x-15

Step-by-step explanation:

2x-15+x+45+3x+2x+10=360

8x+40=360

8x=320

x=320/8

x=40

2(40)-15

80-15

65

x+45

40+45

85

3(40)

120

2(40)+10

80+10

90