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13-03-2021
Mathematics

contestada

look at triangle ABC
ABD is an isosceles triangle where AB=AD

work out sizes of angle x,y and z

look at triangle ABC ABD is an isosceles triangle where ABAD work out sizes of angle xy and z class=

Respuesta :

13-03-2021

Answer:

Step-by-step explanation:

x+110=180

x=70 degrees

y+40+110=180

y=30 degrees

z+70+90=180

z=20 degrees

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