A quadrilateral is a four-sided polygon, meaning that all four interior angles have to add up to 360 degrees. You already know that the other three angles add up to 300, so the last angle has to be 60 degrees.

7 0

2 years ago

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What is the length of ef in the right triangle below?

KonstantinChe [14]

Answer:

Step-by-step explanation:

You're given a side and a hypotenuse in a right triangle, so you're able to use the Pythagorean Theorem.

$a^{2} + b^{2} = c^{2}\\\\a^{2} + (7)^{2} = (25)^{2}\\$

Now isolate a on one side and solve for a.

$\\a^{2} = (25)^{2} - (7)^{2}\\\\a = \sqrt{(25)^{2} - (7)^{2}} \\\\a = 24$

8 0

2 years ago

K+22=17 would be K=15 right plz correct me if I'm wrong

Bingel [31]

Answer:

k = -5

Step-by-step explanation:

7 0

2 years ago