Answer:
391.2cm²
Step-by-step explanation:
Triangle = 1/2bh*2=1/2(4)(6.9)(2)=27.6 for each end triangle.
14*8=112 for each rectangular side.
112+112+112+27.6+27.6=391.2cm²
Yes 2/3 is bigger because if u know there is the butterfly method try it search it up
LAST ONE and if you solve it it will be 90
