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marissa [1.9K]
3 years ago
9

The length of a rectangle is 12 m.

Mathematics
1 answer:
bezimeni [28]3 years ago
7 0

Answer:

for perimeter you add all sides. so Lenth x2 + width x2 is 24+30 which would equal 54

for area it's Lenth times width so 12 times 15 equals 156

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Please help! I need this paper done before my class tomorrow! Thank you!
BabaBlast [244]

Answer:

x=7 and m<LMN = 120

Step-by-step explanation:

if MO bisects LMN then 13x - 31 must be equal to x + 53

13x - x = 53 + 31

12x = 84

x = 7

and

13x - 31 + x + 53 = m<LMN

14x + 22 = m<LMN

since x is 7

14×7 + 22 = 120

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