Answer:
4.5cm^2
Step-by-step explanation:
1.) Subtract 1.1cm from 3.4 to get 2.3cm. Divide by two to get 1.15cm. The area of a triangle can be found with 1/2bh.
2.) 1/2bh
1/2(1.15)(2)
1.15
3.) 1.15*2 = 2.3
4.) 2*1.1 = 2.2
5.) 2.3+2.2 = 4.5cm^2
