4,5,6,7,8,9,10 задание.Что сможете решите,пожайлуста
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Ответы на вопрос
Ответил PatifonKakao
0
4)![frac{a}{b} = frac{1}{5} \\
5a=b\
a+b=180\
a+5a=180\
6a=180\
a=30\
b=5*30=150](https://tex.z-dn.net/?f=+frac%7Ba%7D%7Bb%7D+%3D+frac%7B1%7D%7B5%7D+%5C%5C%0A5a%3Db%5C%0Aa%2Bb%3D180%5C%0Aa%2B5a%3D180%5C%0A6a%3D180%5C%0Aa%3D30%5C%0Ab%3D5%2A30%3D150 "frac{a}{b} = frac{1}{5} \\
5a=b\
a+b=180\
a+5a=180\
6a=180\
a=30\
b=5*30=150")
5)![<1=<4=x\
<2=z\<3=y\
left { {{x+z=180} atop {x+y=180}} right. \\
left { {{z=180-x} atop {y=180-x}} right. -->Z=X](https://tex.z-dn.net/?f=%26lt%3B1%3D%26lt%3B4%3Dx%5C%0A%26lt%3B2%3Dz%5C%26lt%3B3%3Dy%5C%0A+left+%7B+%7B%7Bx%2Bz%3D180%7D+atop+%7Bx%2By%3D180%7D%7D+right.+%5C%5C%0A+left+%7B+%7B%7Bz%3D180-x%7D+atop+%7By%3D180-x%7D%7D+right.+--%26gt%3BZ%3DX "<1=<4=x\
<2=z\<3=y\
left { {{x+z=180} atop {x+y=180}} right. \\
left { {{z=180-x} atop {y=180-x}} right. -->Z=X")
6)![<1+<2=180\ <2+ACB=180\
<1=ABC=180-<2\
ACB=180-<2\--->ABC=ACB\\\
ABC=ACB=x\
x+<2=180\
x+CBD=180\
<2=BCE=180-x\
CBD=180-x\
-->CBD=BCE](https://tex.z-dn.net/?f=%26lt%3B1%2B%26lt%3B2%3D180%5C+%26lt%3B2%2BACB%3D180%5C%0A%26lt%3B1%3DABC%3D180-%26lt%3B2%5C%0AACB%3D180-%26lt%3B2%5C---%26gt%3BABC%3DACB%5C%5C%5C%0AABC%3DACB%3Dx%5C%0Ax%2B%26lt%3B2%3D180%5C%0Ax%2BCBD%3D180%5C%0A%26lt%3B2%3DBCE%3D180-x%5C%0ACBD%3D180-x%5C%0A--%26gt%3BCBD%3DBCE "<1+<2=180\ <2+ACB=180\
<1=ABC=180-<2\
ACB=180-<2\--->ABC=ACB\\\
ABC=ACB=x\
x+<2=180\
x+CBD=180\
<2=BCE=180-x\
CBD=180-x\
-->CBD=BCE")
7)![<2 neq <4\
<4=180-<3-NFC\
<2=180-<1](https://tex.z-dn.net/?f=%26lt%3B2+neq+%26lt%3B4%5C%0A%26lt%3B4%3D180-%26lt%3B3-NFC%5C%0A%26lt%3B2%3D180-%26lt%3B1 "<2 neq <4\
<4=180-<3-NFC\
<2=180-<1")
8)![AOD=DOC=x\
COE=EOB=y\
x+x+y+y=180\
2x+2y=180\
2(x+y)=180|:2\
x+y=90=DOE](https://tex.z-dn.net/?f=AOD%3DDOC%3Dx%5C%0ACOE%3DEOB%3Dy%5C%0Ax%2Bx%2By%2By%3D180%5C%0A2x%2B2y%3D180%5C%0A2%28x%2By%29%3D180%7C%3A2%5C%0Ax%2By%3D90%3DDOE "AOD=DOC=x\
COE=EOB=y\
x+x+y+y=180\
2x+2y=180\
2(x+y)=180|:2\
x+y=90=DOE")
Ответ: 90
9)
10)
=180\\>
5)
6)
7)
8)
Ответ: 90
9)
10)
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