Answer:
y=21
Step-by-step explanation:
Answer:
∠6=78° ∠7=102° ∠14=78°
Step-by-step explanation:
Angles 6 and 7 are supplementary angles so ∠a+∠b=180°
in this case it would be 102°+x=180° and you subtract 102° from 180° getting 78°
∠7 is the vertical angles postulate stating that any angles vertical to each other are eaqual
Let the missing number be x
r= x/50= 450/x
x^2 = 22500
x = 150
Answer:
-24
Step-by-step explanation: