Answer:
Area: 60
Step-by-step explanation:
1. Multiply the base and the height which are 12 cm and 10 cm.
2. The multiply that product by 1/2 or you can divide it by 2 to get the area of the triangle.
Answer:
D. 
Step-by-step explanation:
Pythagorean Theorem
Answer:
B) 
Step-by-step explanation:
1. First, we have to know that two negatives equal positive.
2. Given the information above,
can simplify to
.
3. Let's go through each answer choice and see which one also simplifies to
.
A:
B:
Therefore, the answer is B)
.
Answer:
The answer is 36
Step-by-step explanation:
288÷8=36
You want to find R. From angle R, you know the side lengths for opposite and hypotenuse. According to SohCahToa, that is sine. Sin (x) = Opposite / Hypotenuse = 2.5 / 5 = 0.5
Sine(x)=.5. To get x by itself divide both by the inverse of sine.