Answer:
Perimeter: 14m²n²cm
Area: 28m²n²
Explanation step bye step
Given Data:
height: 4m²
length: 7mn²
base: 3mn²
To Find:
Perimeter =?
Area=?
Formula:
Perimeter: a + b + c
Area: length × height
Solution
Perimeter: a+b+c
= 4m²+7mn²+3mn²
= 14m²n² cm
Area: l×h
= 4m²×7mn²
= 28m²n²
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