I would choose A I’m not to sure tho
The only values a cosine can have are from -1 to 1.
Answer:
x²=144/25
x=±12/5
Step-by-step explanation:
Hope it helps u
Answer:
21 cm
Step-by-step explanation:
Since this is an isosceles triangle, the two sides with a line through them must have the same value of x. Therefore, you can set up the following equation:
2x+11=53
2x=42
x=21 cm
Hope this helps!