To find the measure of ∠Q, the law of cosines will need to be used. Lowercase letters represent the side lengths, while upper case letters represent angles.

In this situation, 'A' will be ∠Q. Therefore:

17² = 18² + 20² -2(18)(20)cosQ

Simplify:

289 = 324 + 400 -2(360)cosQ

Continue simplifying down:

-435 = -720cosQ

Divide both sides by '-720':

0.604 = cosQ

$cos^{-1}Q = 0.604$

m∠Q ≈ 52.83 or 53° rounded to the nearest whole degree.

3 0

3 years ago

Could someone help me please ? :)

Degger [83]

ANSWER = 17.5% of 360 = 63

EXPLANATION:

Find 10% of 360 = 36

Then 5% of 360 = 18

Then 2.5% of 360 = 9

Add them together

so 17.5% of 360 = 63

8 0

2 years ago

What are some ways u can break 7 times 9 using distributive property

Arte-miy333 [17]

7×4=28+32=60+3 this is a bit long

3 0

3 years ago

You're completing an online game. You already did 105 levels and the same says you have completed 8% of it. How many levels are

Ber [7]

To figure it out do the equation:

8/100 = 105/a

a = total levels

7 0

3 years ago