
b = base length (of triangle)
h = height of triangle
s = side length of triangle
l = length of rectangle
Answer:
70:100 700:1000 14:20 140:200
Answer:
-9
Step-by-step explanation:
2(-x)² - 5 = 157
2x² - 5 = 157
add 5 to each side of the equation:
2x² = 162
divide both sides by 2:
x² = 81
√81 = 9 or -9
The diameter is two times the radius.
2 * 1 = 2
So the diameter is 2 yards.