Answer:
x=8
Step-by-step explanation:
Those angles are supplementary so:
140+5x=180
5x=40
x=8
Answer:
x=8
Step-by-step explanation:
The two angles are alternate interior angles. This means that they are equal to each other.
8x-12=3x+28
5x=40
x=8
Answer:
1,451.61 cm²
Step-by-step explanation:
A = LW
A = 38.1 x 38.1 (since a checkerboard has to be square)
A = 1,451.61
Incorrect porque no sabes cómo hacerlo solo hazlo y ya!!