Answer:
A
Step-by-step explanation:
Given
x² = 27 ( take the square root of both sides )
x = ±
= ±
= ± ×
= ± 3 → A
I'd say C because the lengths do not have to be the same but the angles do
Step-by-step explanation:
2b=180-40
2b=140
b=70
a=180-90-70=20°
Answer:
B
Step-by-step explanation:
Its the same cause ur multiplying no matter what