3 years ago

What us the measure of the missing angle?

Mathematics

1 answer:

kow [346]3 years ago

8 0

Answer:

None of them

Step-by-step explanation:

Because 30+135+45 add up to 210 then if you add 30, or 45 degrees it will be more than 180 degrees. If you subtract -15 from 210 you will get 195 which is still not right. So the best answer is none of the above

Hope this helps

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Nathan has three pieces of wood. The first is 9.8 feet in length, the second is 7.5 feet in length, and the third is 12 feet in

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D) equilateral

maksim [4K]

Answer:

The length of side JK is 4.7 units.

Step-by-step explanation:

Given:

Δ JKL is an Isosceles Triangle.

JL = 5x - 0.2

KL = x + 3.2

JK = 4x - 1.3

To Find:

The length of side JK = ?

Solution:

Δ JKL is an Isosceles Triangle. ......Given

JK = KL .........................Given

Substituting the given values we get

$4x-1.3=x+3.2\\\\4x-x=3.2+1.3\\\\3x=4.5\\\\x=\frac{4.5}{3} \\\\x=1.5$

Now substituting 'x' in JK we get

$l(JK)=4(1.5)-1.3\\\\\therefore l(JK)=4.7\ units$

The length of side JK is 4.7 units.

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