Answer:
8 cm and 9 cm
Step-by-step explanation:
In order to find out, you add both 8 and 9 together. If the sum is above/higher than the number 13, they can all be made into a triangle. 8+9 is 17 and 17 is higher than 13.
hope this helps!
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10 will be your answer because 4 x 5 divided by 2 is 10
I think it's 1.90. I am not fully sure about the answer if it's wrong.