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Sagot :
Step-by-step explanation:
for the perimeter...
18-6=12
that's to get the slant side
perimeter=10+6+12+12+20
=60
for the area I'm not sure how to solve it sorry!!
Answer:
10 x 6 = 60
20 + 10 = 30, 30 x 12 x 1/2 = 180
180 + 60 = 240 cm2 is your area
6 + 6 = 12, 12 + 10 = 22, 22 + 20 = 42
Now lets find hypotenuse:
10 - 20 = 10, 10 divided by 2 = 5
5^2 + 12^2
25 + 144 = 169
Square root of 169 is 13
Add perimeters:
42 + 13 = 55 cm is your perimeter.
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