the measures of the angle of a quadrilateral are in the ratio 1:2:3:4.find the measure of each angle l. what type of quadrilateral is it
Answers
Answer:
Step-by-step explanation:
Given the four angles of a quadrilateral are in the ratio 1:2:3:4
Then Let the angles are x,2x,3x and 4x
We know that total of four angles of a quadrilateral =360
0
∴x+2x+3x+4x=360
⇒10x=360
⇒x=36
0
hence the measures of angles are 36⁰,72⁰,108⁰,144⁰
Answer :-
- The measure of all angles of the quadrilateral is 36°, 72°, 108° and 144°.
- The type of quadrilateral is Parallelogram.
Step-by-step explanation :-
To Find,
- The measure of each angle of the quadrilateral
- What type of quadrilateral it is.
Solution,
Given that,
- The measure of the angles of quadrilateral are in the ratio of 1 : 2 : 3 : 4
Let us assume given the ratio angles be 1x, 2x, 3x and 4x,
As we know that, the measure of a quadrilateral is 360°
➮ 1x + 2x + 3x + 4x = 360
➮ 10x = 360
➮ x = 360 / 10
➮ x = 36 ★
Hence, the value of x is 36.
The measure of the angles are,
- The measure of angle which we assumed as 1x
➮ 1x
➮ 1 × 36
➮ 36° ★
- The measure of angle which we assumed as 2x
➮ 2x
➮ 2 × 36
➮ 72° ★
- The measure of angle which we assume as 3x
➮ 3x
➮ 3 × 36
➮ 108° ★
- The measure of angle which we assume as 4x
➮ 4x
➮ 4 × 36
➮ 144° ★
Hence, the measure of all angles of the quadrilateral is 36°, 72°, 108° and 144°, the type of quadrilateral is a parallelogram.
Now, Verification
➮ 32 + 144 + 72 + 108 = 360°
➮ 180 + 180 = 360
➮ 360 = 360
L.H.S = R.H.S
Hence, Verified !