3 years ago

30) What is the difference between complementary and supplementary angles?

Mathematics

2 answers:

tensa zangetsu [6.8K]3 years ago

7 0

Answer:

Complementary angles add up to 90 degrees. Supplementary angles add up to 180 degrees.

Step-by-step explanation:

Alisiya [41]3 years ago

4 0

Answer:

Complementary angles are when the measure of two angles added together equals 90 degrees, and supplementary angles are mostly formed when the sum of the measures of two other angles equals 180.

Step-by-step explanation:

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What is the length of AC¯¯¯¯¯ ? Enter your answer in the box.

klasskru [66]

In the question, the angles proves that this triangle is an isoceles triangle.

So we can set the two sides equal: $x + 4 = 3x - 8$

Add $-x+8$ to both sides of the equation: $12 = 2x$

Divide both sides by 2: $x = 6$

We find that $x=6$ . AC is also x, so, it is 6 too.