Answer:
area- 36.07 cm^2
perimeter- 28cm
Explanation:
1) we could break the composite shape into 2 seperate shapes:
1 shape- measuring 3.1 by 3.4 cm
2nd shape- measuring (3.1)+(3.8)cm by 3.7 cm
since both shapes are rectangles we can find area by multiplying length and width
so 3.1*3.4=10.54
and 3.1+3.8=6.9
6.9*3.7=25.53
we can add both areas up to get TOTAL area of figure:
25.53+10.54=36.07
area- 36.07 cm
to find perimeter: there are 2 unknown sides in this figure, the bottom side length can be found out by adding 3.1 and 3.8, which is 6.9 and the side adjacent to the bottom one can be found by adding 3.4 and 3.7, which is 7.1
now we add up all the numbers: 3.1+3.4+3.8+3.7+6.9+7.1= 28
28 cm