Answer:
Step-by-step explanation:
Basically your gonna break up both numbers into smaller numbers and add them to get the same answer
9 times 43 is 387 split 9 and 43 and put It in the area model and then add them up
Answer: 3 i hope this is right
Step-by-step explanation:
Answer:
144
Step-by-step explanation:
In a regular decagon like the one shown in the picture each angle is 144 degrees and it all adds up to 1,440. If you want proof search up "angle of a decagon"
