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30.10.2020 •
Mathematics
Help me please I need help
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Ответ:
2y+3y+ y+20+10=90 all angle sum is equal to 90
6y+30=90
6y=90-30
6y=60
y=60/6
y=10
and now
the value of y outting every tetm
Ответ:
A = 12 units ^2
Step-by-step explanation:
The area of the trapezoid is found by
A = 1/2 (b1+b2)h
b1 = 2
b2 = 4
h = 4
I found these by looking at the graph
A = 1/2(2+4) 4
A = 1/2(6*4)
A = 12 units ^2