can anyone please help with this i will give brainliest simple question
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Answer:
Step-by-step explanation:
a²+b²=c² rectangle
a²+b² < c² obtuse
a²+b² > c² acute
Answer:
Obtuse
Step-by-step explanation:
8² = 4² + 5² - 2(4)(5)cos(theta)
cos(theta) = -23/40
Theta = 125.1°