Select all the conditions for which it is possible to construct a triangle. A. Angle measures 45 degrees, 45 degrees, and 90 degrees
B. Triangle with side lengths of 4 cm, 5 cm and a 50 degree angle
C. Angle measures of 120 degrees, 20 degrees, and 35 degrees
D. Triangle with angle measures of 30 degrees, 60 degrees, and a side length of 3 cm

You are responsible for designing a new city. you are inspired by pierre charles l'enfant, who laid out the streets of our nation's capital. numbered streets run north and south, and lettered streets run east and west. avenues are named after states, and they intersect the streets on a diagonal. the streets are parallel and the intersections form similar triangles. 18th st. is 454 meters long and the intersection of 18th and k st. is 207 meters from connecticut ave. if 19th st. and k st. is 385 meters from connecticut ave., what is the length of 19th st.?

Write the fraction or mixed number and the decimal shown by the model

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?