You can use the sum and difference identities which for cosine is cos(a+b)= cosacosb-sinasinb
Answer:
Triangle: True
Parallelogram: False, area is 63cm^2
Trapezoid: True
Step-by-step explanation:
Use area calculators on the internet to find the area of shapes.
Answer:
Sorry But there is no shape for me to look at to give you the answer :( Edit the question or just send me a screen shot of it in discord, mine is Mousycritter#2842
Step-by-step explanation:
Step-by-step explanation:
The domain is all the possible x values. Here, the smallest x value is 1, and the largest x value is 4.
1 ≤ x ≤ 4