the measures of two adjacent angles of a parallelogram are in the ratio of 3:2 find the measure of each of the angles of the parallelogram
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Answer:
108, 72, 108, 72
Step-by-step explanation:
Adjacent angles of a parallelogram add up to 180 degrees as they form co interior angles.
We can take the angles as 3x and 2x
3x+2x = 180
5x = 180
x = 36
Thus 3x = 108 degrees and 2x = 72 degrees
since opposite angles of a parallelogram are equal,
all the angles are 108, 72, 108 and 72 degrees
Answered by
1
- GIVEN :-
- ratio between two adjacent angles of a parallelogram is = 3 : 2
- let the adjacent angles be 3x and 2x respectively.
- we know that,
- sum of two adjacent angles in a parallelogram = 180°
- ⇒ 3x + 2x = 180°
- ⇒ 5x = 180°
- ⇒ x = 180/5
- ⇒ x = 36°
- therefore the adjacent angles are :-
- 3x = 3 * 36 = 108°
- 2x = 2 * 36 = 72°
- we also know that the opposite angles of a parallelogram are equal.
- therefore the other two adjacent angles are also 108° and 72°
- hence, all the angles of the parallelogram are 72°, 108°, 72° and 108°.
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