Perimeter= 2 ( length + width)
2×(12+6)
2×18
=36
Answer:
D-45,45,90
Step-by-step explanation:
Think about it both of the sides of the triangle are the same, so that would mean two of the degrees would be the same
Answer:
I believe both are 80 or 40
Step-by-step explanation:
Answer:
I think it is 2/ 15 pls mark as breanliest
Answer:
Step-by-step explanation:
Straight angle is equal to 180°
Angle x, 60° and 80° form a straight angle.
<u>Then we have following equation to solve for x:</u>
- x + 60° + 80° = 180°
- x + 140° = 180°
- x = 180° - 140°
- x = 40°
