X/3=1351/7
cross multiply
7x=4053
divide by seven on both sides
x=579
Answer:
concave pentagon I'm thinking
Answer:
I think you're supposed to add all the fives together. That is what MY teacher taught me to do :/
Step-by-step explanation:
The shape is a square that is tilted and looks like a rhombus. Just add the 5's together.