2 years ago

Prove that APQR ~ ASTU

Mathematics

1 answer:

Finger [1]2 years ago

4 0

Thats how i do it ....i dont know about others

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The value of y varies directly with x, and y=10 when x=4. Find x when y=14.

damaskus [11]

$y=10\ \ \ and\ \ \ x=4\\\\
y=14\ \ \ and\ \ \ x=?\\\\
Making\ ratio:\\
10-4\\14-x\\\\
Cross\ multiplication:\\
10x=4*14\\
10x=56\ \ \ |Divide\ by\ 10\\x=5,6\\\\solution\ is\ x=5,6.$

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3 years ago

In the diagram, BC¯¯¯¯¯∥DE¯¯¯¯¯ .<br><br> What is AE ?

emmainna [20.7K]

So there are two triangles here: Smaller one (ADE) and bigger one (ABC) and they both are similar.

So you can use proportions here.

AB / AC = AD / AE

AB = AD + DB = 6 + 1 = 7
AC = AE + 3

AD = 6

So plug in these values:

AB / AC = AD / AE becomes
7 / (AE + 3) = 6 / AE

Now do the cross multiply:

7 AE = 6 (AE + 3)

Now solve for AE:

7AE = 6AE + 18

AE = 18

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3 years ago

Wes measures the floor area of rectangular living room to replace the carpet with tiles. The room is 12.4 feet long and 9.8 feet

olasank [31]

12.4*2+9.8*2=44.4
Wes needs 44.4 tiles

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3 years ago

Rectangle ABCD has m∠ACD=5x−4 and m∠BAC=4x+5. <br> Find m∠CAD. m∠CAD=

EleoNora [17]

Answer:

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