24-05-2020
Mathematics

contestada

can someone please help me with this

can someone please help me with this class=

Respuesta :

Leora03 Leora03

24-05-2020

Answer:

x= 10°

Step-by-step explanation:

∡BDC +∡BCD= ∡CBS (ext. ∡= sum of int. opp. ∡s)

80° + 4x-5° = 15° +10x

80° -5° -15°= 10x -4x

60° = 6x

6x =60°

x= 60° ÷6

x= 10°

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