Answer:
Step-by-step explanation:
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Answer:
135 degrees and 45 degrees
Step-by-step explanation:
Two angles are supplementary when their sum adds up to 180 degrees.
4³/₄ × 1¹/₂
¹⁹/₄ × ³/₂
⁵⁷/₈
7¹/₈
Perimeter of rectangle = 2(l+w)
So, 54cm = 2(l+9cm)
=> 54cm = 2l + 18cm
=> 54cm - 18cm = 2l
=> 36cm = 2l
=> 36cm/2 = l
=> 18cm = l
Answer for #9 : 24,720
Answer for #10 : 145
