10 % + 30 % = 40 %
100% - 40% = 60%
60% are red
Multiply total shirts by 60%
80 x 0.60 = 48
48 shirts are red
Answer:
No triangle exist
Step-by-step explanation:
step 1
Find the measure of angle B
Applying the law of sines

substitute the given values



Remember that
The maximum value of the sine is 1
therefore
No triangle exist
A trapezoid Will be your awnser cause a rectangular parallelogram would be considered a trapezoid