Answer:
Not C, Not A, most likely B
Step-by-step explanation:
Its less than 90 because its and acute, meaning its smaller, so you can already knock off C.
Answer:
The last one
Step-by-step explanation:
in the second part, x2 could to pull out as x
X^2 = 4^2 - (2√3)^2
x^2 = 16 - 12
x^2 = 4
x = 2
answer
x = 2 cm
Answer:
12
Step-by-step explanation: