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3 years ago

How to do this question plz

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

6 0

Answer:

X=10

Step-by-step explanation:

the triangle is a right angled triangle so use pythagoras theorem a^2+b^2=c^2

x^2+(√200)^2=(√300)^2

x^2+200=300

x^2=300-200

x^2=100

x=√100=10

X=10

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deff fn [24]

Answer:

300

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Trigonometry<br> Use trigonometry functions to find the area <br> In ΔABC, AB=21, AC=16, and m

KIM [24]

Answer:

154.6 units²

Step-by-step explanation:

½ × 21 × 16 × sin(67)

154.644815388

7 0

3 years ago

Find the perimeter of the figure to the nearest hundredth. Sorry to ask ANOTHER question on this stuff but I'm doing an assignme

WARRIOR [948]

Answer:

I did my best, but it has been a while. I really hope that this helps

Step-by-step explanation:

so you can find the perimeter of a circle

-----The perimeter of a circle is π × d where d is the diameter so half of that is 1/2 π × d. But If you are going to walk around a semicircle, you need to go halfway around the circle and then across a diagonal to get back to where you started, so the perimeter is 1/2 π × d + d.

7 0

2 years ago

What is the sum of 9+10 (;

garri49 [273]

Answer:

19 or 21.

Step-by-step explanation:

I swear.

5 + 5 = 10

10 + 5 = 15

15 + 4 = 19

________________

9 + 9 = 18

18 + 10 = 28

28 - 5 = 23

There are two nines so

23 - 2 = 21

6 0

3 years ago

Can someone help me find AB and BC

Bond [772]

3x + 2x + 5 + 5x + 15 = 180 [angles on a line add to 180 degrees]
10x + 20 = 180 [combine like terms]
10x = 160 [subtract 20 from both sides]
x = 16 [divide both sides by 10]

Arc AB measures 3(16) = 48 degrees.

Arc BC measures 2(16) + 5 = 41 degrees.

7 0

2 years ago

How to do this question plz ​

How to do this question plz