Answer:
thats a right triangle
Step-by-step explanation:
because of the little square that is in the one corner telling you that is 90 degrees or a right angle.
Answer:
I want to get point
Step-by-step explanation:
can you help
Answer:
9 + 10 +x= 21
x=21-19
x=2
add 2 in left hand side to get 21
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Answer:
11x + 5
Step-by-step explanation: