lexie41
lexie41
27-04-2017
Mathematics
contestada
how can I solve this?
Respuesta :
yguo0818
yguo0818
27-04-2017
∠a+108°=180°
so∠a=72°
and ∠b+∠a=90°
so ∠b= 18°
Answer Link
qwertyuiop98
qwertyuiop98
27-04-2017
a straight line is measured to be 180 degrees so, 180-108 = 72 degrees for a. then a+b = 90 degrees. b=90-72=18 degrees. :)
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
what are stimulus that living things sense to respond to?
Why were southern military leaders barred from holding public office after the Civil War
What is 8.125 to the nearest cent
Okay people! I need help. In geometry, on a x/y coordinate plane, I need to find the distance between the point (3,2) and the slope y = 5/6x + 7. Step by step,
Fungi must rely on other organisms for their energy needs. True or False ? Anyone? I can't find an answer
what is the alkaline earth metal with the largest atomic number
Round 220 to the nearest 100
Why do we need economic systems?
At a concession stand, three hot dogs and four hamburgers cost $ 14.25 and four hamburgers and three hot dogs cost $13.75. Find the cost of one hamburger and on
what might happen to a protein if homeostasis is disrupted? why?
