We know that angle2+angle3+90=180 (since we see the right angle in the corner and all internal angles add up to 180) so
angle3=40
subsitute
angle2+40+90=180
angle2+130=180
subtract 130
angle2=50
answer is 50 degrees
In a class of 24 kids, for every 1 boy there are 4 girls
There are 2×2×2×2×2×2 = 2⁶ = 64 possible settings.
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Each switch can be in 2 positions, and for each of those, the other switches can have all possible settings. 1 switch has 2 settings. 2 switches will have 2×2 settings. 3 switches will have 2×2×2 settings.
Answer:
12
Step-by-step explanation:
Since 15 is 3 times the ratio you multiply 4 by 3
