rp0207 rp0207
  • 22-08-2017
  • Mathematics
contestada

Please answer these but do it step by step, thanks

Please answer these but do it step by step thanks class=

Respuesta :

Banabanana
Banabanana Banabanana
  • 22-08-2017
m∠ADB + m∠BDC = m∠ADC  
x + x + 10 = 60 
2x + 10 = 60
2x = 60 - 10
2x = 50
x = 50/2
x = 25

a
m
∠ADB = x = 25°

b 
m∠BDC = x + 10 = 25 + 10 = 35°

с
 Angle Addition Postulate
Answer Link

Otras preguntas

What expression represents the number of squares in terms of the figure number?
The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag. Identify which type of sampli
Find the domain of each rational expression. f(x)=5x-7/4
What expression represents the number of squares in terms of the figure number?
what is a closed-ended question?
The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag. Identify which type of sampli
what is a prepositional case?
what is a prepositional case?
What are the functions of:Salivary Glands...Gallbladder...Liver...Pancreas..
what is a dangling modifier?