Answer:
800
Step-by-step explanation:
Answer:
x=9.2
Step-by-step explanation:
23/x=17.5/7
cross multiply
17.5x=161
divide
x=9.2
Answer:

Step-by-step explanation:

Answer:
103
Step-by-step explanation:
There is 540 degrees total in a pentagon. To find the missing angle, you must subtract all the known angles from 540. 540-100-117-105-115=103
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