Answer:
x = 80°
Step-by-step explanation:
Angle on a straight line = 180°
(x + 40)° + (x - 20)° = 180°
x + 40° + x - 20° = 180°
2x + 20° = 180°
2x = 180° - 20°
2x = 160°
x = 160°/2
x = 80°
Check:
(x + 40)° + (x - 20)° = 180°
(80° + 40°) + (80° - 20°) = 180°
120° + 60° = 180°
180° = 180°
Answer:
6x+3
Step-by-step explanation:
If you're just combining like terms this is the correct answer
if i help you, i hope you help me.
Vpyramid: 1/3BH
1/3(5)(14.2)=
23.6666666667 ROUNDED 23.7
Answer:
Opposite Angles Theorem
Step-by-step explanation:
All opposite angles are congruent, meaning that two angles created by intersecting lines that oppose eachother are equal in size. The theorem goes by different names, so I don't know exactly what your teacher is asking for, but I hope I could help.
Answer:
I used Desmos. Heres a picture of what its supposed to look like.
Step-by-step explanation:
