<span>Equilateral triangles have sides of all equal length and angles of 60°. To find the area, we can first find the height. To find the height, we can draw an altitude to one of the sides in order to split the triangle into two equal 30-60-90 triangles.</span>
Answer:
Step-by-step explanation:
9) P(A and B) = 0.3 + 0.2 = 0.5
10) P(A and B) = 0.11 + 0.33 = 0.44
Answer:
That is very true and should be added
Answer:
x = 2, x = - 2
Step-by-step explanation:
3x² - 12 = 0
3x² = 12
x²= 12/3
x²= 4
√x² = +/- √4
x = +/- 2
x = 2, x = -2
Answer:
(Choice A) 2(3d+3) & (Choice C) (3d+3)+(3d+3)
Step-by-step explanation:
<--- A is correct
< --- B is NOT correct
by associative and commutative properties
so C is correct
A and C are both correct.