A girl is 6 feet tall and casts a shadow that is 4 feet long. A building casts a shadow that is 40
feet long. How tall is the building?

60 ft tall

Step-by-step explanation:

tall          |     6       |      x  

shadow  |     4       |    40  

4 times 10 = 40

6 times 10 = 60

the first question mark is 6 and the second question mark is 26 (the square root)

step-by-step explanation:

step-by-step explanation:

∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.