Supplementary angles are two angles whose measures sum to a 180 degrees and complementary are the sum have to add up to 90 degrees.So 180÷2=90;90÷2=45;180÷6=30 and 90÷6=15.Altough the answer is A.

5 0

3 years ago

What is the area of this triangle?

ki77a [65]

Answer:

The area of this triangle is.. $30 in^2$

Step-by-step explanation:

6 x 10 divided by 2 = 30

3 0

3 years ago

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Find the volume<br><br> 14.2 mm<br> 12 mm<br> 8.5 mm

irga5000 [103]

Answer:

1,448.4 mm.

Step-by-step explanation:

Volume is the length, width, and height multiplied together.

14.2 mm x 12 mm x 8.5 mm = 1,448.4 mm^2.

8 0

3 years ago

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Which equation could you use to solve for x in the proportion 4/5=9/x​

Which equation could you use to solve for x in the proportion 4/5=9/x