Area of circle = πr²
Area of circle = π(4÷2)² = 12.57 cm²
3x + 3 = 2x
three times a number = 3x ,and 3 = 3x + 3, is equal to two times the number =
3x + 3 = 2x
Answer:
3(x - a)(x - b)(x - c) when a + b + c = 3x .
Step-by-step explanation:
i don't know but this has to be right
Wouldn't the formula be a×b/2?
Hello,
cos 160°=-q
cos 20°=-cos 160°=q
sin 20°=√(1-q²)=sin 160°
tan -20°=tan 160=√(1-q²)/-q
cos 70°=sin 20°=√(1-q²)