alocarrero04 alocarrero04

19-04-2020
Mathematics

contestada

i need help with rhombus,rectangles and squares

i need help with rhombusrectangles and squares class=

Respuesta :

Wallind11 Wallind11

19-04-2020

Answer:

a= 11, b= 12

Opposite angles of parallelogram are equal.

m<D = m<B

9b-2=106°

9b= 108°

b= 12°

Sum of the adjacent angles of a parallelogram = 180°

m<B+m<C = 180°

106°+7a-3=180°

7a = 180°-106°+3

7a=77°

a= 11°

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