Answer:
Acute angle
Step-by-step explanation:
Since it's measure is less than 90 degrees
Answer:
80
Step-by-step explanation:
Use the equation 180-(70 +30)
Answer:
The percentage decrease = 0.9%
Step-by-step explanation:
Using the formula
Percentage Decrease = [ (Initial Value - Final Value) / |Initial Value| ] × 100
= [(9.80 - 9.71 ) / (9.80)] × 100
= [0.09 / 9.80] × 100
= 0.009 × 100
= 0.9%
Therefore, the percentage decrease = 0.9%
