Mathematics: Please help me with number ten and twelve

Please help me with number ten and twelve - id13829499, Terezagonzalez2271

Ответ:

dondre54

24.07.2021

Mathematics

$93,\ 34^{\circ}$

Step-by-step explanation:

Given

For figure (i) both triangles are congruent

$\therefore 8x-27=4x+33\\\Rightarrow 8x-4x=33+27\\\Rightarrow 4x=60\\\Rightarrow x=15$

$\Rightarrow PQ=8x-27\\\Rightarrow PQ=93$

For figure (ii)

Two triangles WXZ and WZY are congruent

$\therefore 9x-28=5x-8\\\Rightarrow 4x=20\\\Rightarrow x=5^{\circ}\\\Rightarrow \angle YWX=2(9x-28)\\\Rightarrow \angle YWX=2(17)\\\Rightarrow \angle YWX=34^{\circ}$

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Ответ:

kathrynsalomon

22.02.2022

Mathematics

2.67

Step-by-step explanation:

n/a because I don't want to be a part of the way u passed out of the way and I will be there

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Please help me with number ten and twelve

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