Answer:
stop
Step-by-step explanation:
stop using this app, the chances of you actually getting a helpful response or even one at all are so slim, just pay an actual tutor at this point
39×2÷6=13
13-5=8 mm. The other base of the trapezoid is 8 mm. Let check it:
1/2(8+5)×6
=1/2×13×6
=39 square mm. Hope it help!
Just like counting imaginary dots on the #s
4+1=5