Answer:
6
Step-by-step explanation:
Answers: (x, y, z) = (1, 2, -1)
Solving Steps:
Recall the double angle identity:
With measuring between 0º and 90º, we know . So from the Pythagorean identity, we get
Then
Answer:
3 cm²
Step-by-step explanation:
Given that:
5/8 of rectangle = red
Let area of rectangle = x
Each piece = 1/16 of whole rectangle
Area of whole rectangle = 48 cm²
Area of each piece = 1/16 of 48
1/16 * 48cm²
= 48 / 16 cm²
= 3 cm²
Hence area of each piece = 3cm²
Anything between 91 degrees and 179 degrees. You can pick any between these two.