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
Are you trying to find the square root of all 4 numbers? i dont understand
What does "well defined" mean to you, in this situation?
What makes up this set is very clear: "1st graders," "Maple Elem. School," "male." No ambiguity here. How does this relate to the concept of "well defined set?"
Answer:
The answer is 30°
Step-by-step explanation:
60°+X=90°
X=90°-60°
X=30°
