If they are equilateral triangles, then yes; however, if they are not, it is impossible to tell without a diagram.
A) A = 40m + 300
b) 820 = x12 + 100
x = 60
B = 60m + 109
Answer:
45%
Step-by-step explanation:
The fraction of marbles that are blue is 36/80 = 9/20. To make that a percentage, multiply it by 100%.
9/20 × 100% = 45%
45% of the 80 marbles are blue.
Answer:

Step-by-step explanation:
Given

Required
Evaluate
is equivalent to :




Hence:

Answer:
It is an acute angle. 15°
Step-by-step explanation:
because it has a small angle and is not very big.