2 years ago

5. Which side lengths could not form a triangle?

Mathematics

2 answers:

romanna [79]2 years ago

6 0

Answer:

A, B, C, D

Step-by-step explanation:

A is equal to 54, B is equal to 23, C is equal to 72, and D is equal to 84.

brilliants [131]2 years ago

5 0

Answer: A

Explanation: To find out if three numbers are a triangle, you would add up the two lower numbers and see if its higher then the biggest number.

13 + 13 = 26.
26 is NOT bigger than 28, meaning it cannot form a triangle.

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What is the angles mSRW?

Scilla [17]

Answer:

126°

Step-by-step explanation:

(2x +18)° = (3x)°

2x + 18 = 3x

18 = 3x - 2x

18 = x

therefore, (3x)° = (3*18)°= (54)°

$m\angle SRW + (3x)\degree = 180\degree \\m\angle SRW + 54\degree = 180\degree \\m\angle SRW = 180\degree - 54\degree \\\huge\red{\boxed{m\angle SRW = 126\degree}}$