It would take her 45 mins to grade 2 stacks or 3/4 of an hour.
Yo sup??
perimeter=2(l+b)
100=2(35+b)
b=15 cm
area=b*h
=35*15
=525 cm²
Hope this helps
Answer:
28
Step-by-step explanation:
Since, Sum of triangle is equal to 180°
180 = 2x + 50 + 3x - 10
180 = 5x + 40
180 - 40 = 5x
140 = 5x
140/5 = x
28 = x
C
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