34=2x + 16
18=2x
x=9
Robert used 9 grams of iron filings in his first experiment.
Answer:
378
Step-by-step explanation:
9 × 7 × 6 = 378
pls mark brainliest, if not, its ok :)
1) Diameter = Line MN, Chord = Line LN
<span>2) B --- GFC </span>
<span>3) C --- GCE </span>
Answer:
Step-by-step explanation:
If we take the below diagram for the given triangles, then ∠B=∠E and ∠A=∠G if AB=GE or if BC=EF, then corresponding angles will be equal.
Therefore, if we rotate the diagram, then also the angles will remain the same.
The answers are: 90° , 40°, and 50° .
_______________________________________________
Explanation:
_____________________________________________
Angle 1 = 90 .
Angle 2 = 3x + 4
Angle 3 = 4x + 2
____________________
Since all angles in every triangle add up to 180 ;
90 + 3x + 4 + 4x + 2 = 180 ; Solve for "x" ; then solve for "angle 2" and "angle 3". Since it is a "right triangle" ; we know that "angle 1" = 90 degrees.
7x + 96 = 180 ;
Subtract "96" from each side of the equation;
7x + 96 - 96 = 180 - 96 ;
7x = 84 ; Divide each side of the equation by "7" ;
7x / 7 = 84 / 7 ;
x = 12:
So; angle 1 = 90 ;
Angle 2 = 3x + 4 = 3(12) + 4 = 36 + 4 = 40 ;
Angle 3 = 4x + 2 = 4(12) + 2 = 48 + 2 = 50 ;
____________________________________
90 + 40 + 50 =? 180 ? Yes!
____________________________________
