Building is 10 centimeters tall , actual building is 3 meters tall , what was the scale used?

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Anyone know? will mark brainliest if you're correct!

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m