Area of triangle = 1/2 x base x height:
78 = 1/2 x base x 9 3/4
Multiply both sides by 2:
156 = base x 9 3/4
Divide both sides by 9 3/4:
Base = 16 inches
The answers are B, C, and D.
I hope this helps, I have taken the quiz and those are the correct answers! :)
Answer:
98 miles per hour
Step-by-step explanation:
196 miles/2 hours= 98 miles in 1 hour
