1 answer:
Answer:
X=5
Step-by-step explanation:
the sum has to equal 180 because its a linear pair,
10×5=50
26×5=130
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Answer:
7 sqrt of 2
Step-by-step explanation:
Special triangles
45 45 90
X X. Xsqrt of2
Use substitution method
3a+9=54
3a+9-9=54-9
3a= 45
divide by 3
3a/3= 45/3
a= 15
Answer is a= 15
Answer: Circumference: 69.08 Area: 379.94
Step-by-step explanation:
Answer:
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Step-by-step explanation:
