In a quadrilateral ABCD, the measure of the three

Question

In a quadrilateral ABCD, the measure of the three angles A, B and C of the quadrilateral is 110°, 70° and 80°, respectively. Find the measure of the fourth angle.

Harshit Singh · Accepted Answer

Dear Student&ang;A = 110&deg;&ang;B = 70&deg;&ang;C = 80&deg;&ang;D = xWe know that the sum of all internal angles of quadrilateral ABCD is360&deg;.&ang;A +&ang;B+&ang;C+&ang;D = 360&deg;110&deg;+ 70&deg;+ 80&deg;+ x= 360&deg;260&deg; + x = 360&deg;x = 360&deg;&ndash; 260&deg;x = 100&deg;Therefore, the fourth angle is 100&deg;.Thanks

8 grade maths> In a quadrilateral ABCD, the measure of t...

In a quadrilateral ABCD, the measure of the three angles A, B and C of the quadrilateral is 110°, 70° and 80°, respectively. Find the measure of the fourth angle.

Pawan Prajapati , 5 Years ago

Harshit Singh

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8 grade maths> In a quadrilateral ABCD, the measure of t...

In a quadrilateral ABCD, the measure of the three angles A, B and C of the quadrilateral is 110°, 70° and 80°, respectively. Find the measure of the fourth angle.

Pawan Prajapati , 5 Years ago

Harshit Singh

LIVE ONLINE CLASSES

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