Answer:
all are 90°
Step-by-step explanation:
Vertical angles are congruent, and linear angles are supplementary, so we have ...
∠AOC + ∠COB + ∠BOD = 270°
180° + ∠BOD = 270°
∠BOD = 90°
Since the lines cross at right angles, all of the angles are 90°.
the answer for one is C
the answers for 2 is the first choice, third choice and last choice
the answer for three is D
Answer:
(x-5)^2 + (y+4)^2 =64
Step-by-step explanation:
Answer:
e) , f)
Step-by-step explanation:
42+15= 57
If the available options are:
a) 5(8+2)+5(3)=(5x10)+15=50+15=65
b) (3 x 14) + (3 x 5)= 42+15=57
c) (3 x 39) + (3 x 5)=117+15=132
d) 3(39 + 12)=3x51=153
e) 3(14 x 5)=3x70=210
f) 3(14 + 5)=3x19=57
Answer:
1200
Step-by-step explanation:
600 in grams = 600 x 1000
= 6 x 10^5
(6 x 10^5) / 500 = 1200.
