All triangles interior angles equal 180
So these 3 angles = 180
Decreasing order : 77 ,-47 ,-48 ,-82
Answer: 25=29
Step-by-step explanation:5x5=25
4x5+9=29
Answer:
x=21
Step-by-step explanation:
since the triangle is isosceles, the two lower angles are equal.
2(2x+3)=90
4x+6=90
4x=84
x=21
Hope the picture will help you...
