2 years ago

I WILL GIVE A BRAINLIEST TO FIRST ANSWER: Which measurements could create more than one triangle?

Mathematics

2 answers:

BabaBlast [244]2 years ago

4 0

Answer:

Step-by-step explanation:

More than one triangle can be formed by three angles measuring 75°, 45° and 60°. Solution : We know that, The sum of the measures of all angles of a triangle should be equal to 180°. Hence, the angles 40° , 50° and 60° cannot form a triangle as their sum is 150°.

AlekseyPX2 years ago

3 0

The answer is C, a triangle measuring 60, 70, and 80.

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Sindrei [870]

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3 years ago

What is the value of x????

inysia [295]

If QR is a median, then:

$\dfrac{NO+MP}{2}=QR$

We have NO = 30, MP = 9x - 42 and QR = x + 15. Substitute:

$\dfrac{30+9x-42}{2}=x+15\qquad\text{multiply both sides by 2}\\\\9x-12=2x+30\qquad\text{add 12 to both sides}\\\\9x=2x+42\qquad\text{subtract 2x from both sides}\\\\7x=42\qquad\text{divide both sides by 7}\\\\\boxed{x=6}$

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