contestada

In Triagle ABC , DE is parallel to BC . The measure of < A is 60 degrees and the measure of < DEC is 125 degrees . What is the measure of < B?


Please explain



It’s 62.5 ?
Help
Easy money lol Easy points
I just don’t remember

In Triagle ABC DE is parallel to BC The measure of lt A is 60 degrees and the measure of lt DEC is 125 degrees What is the measure of lt B Please explain Its 62 class=

Respuesta :

ferrybukantoro

Step-by-step explanation:

Since DE is parallel to BC, the mL C = 180° -125° = 55°.

so, the measure of L B = 180° - L A - L C =

180° - 60° - 55 = 65°

<DEA

  • 180-125(Linear pair)
  • 55°

<C=55°

Apply angle sum property

<B

  • 180-(60+55)
  • 180-115
  • 65°

Otras preguntas