In right angled triangle LMN, LN= 20 cm, LM= 12 cm. Find MN." IT'S URGENT
Answers
Answered by
2
Step-by-step explanation:
In ∆LMN, ∠M = 90°.
Hence, side LN is the hypotenuse. According to Pythagoras’ theorem,
l(LN)2 = l(LM)2 + l(MN)2
∴ 202 = 122 + l(MN)2
∴ l(MN)2 = 202 – 122
∴ l(MN)2 = 400 – 144
∴ l(MN)2 = 256
∴ l(MN)2 = 162
∴ l(MN)= 16 cm
∴ The length of seg MN is 16cm
Answered by
0
Answer:
16
Step-by-step explanation:
20-12=8
20-8=12
12-8=4
12+4=16
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