Math, asked by vardan8252, 9 months ago

Please answer this question. ​

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Answered by Anamikaas04
1

Answer:

they are complementary angles.

Step-by-step explanation:

according to the angle sum property of triangles,the sum of all interior angles of a triangle is equal to 180 degree.

 < e =  {90}^{0}

 < d +  < f +  < e =  {180}^{0}

 < d +  < f +  {90}^{0}  =  {180}^{0}

Therefore,

 < d +  < f =  {180}^{0}  -  {90}^{0}  =  {90}^{0}

hope it helps (•‿•)

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