Lines&Angles Class-9

Two Angles are Complementary when they add up to

• 90 degrees

• 180 degrees

• 150 degrees

• 360 degrees

Tags

CCSS.7.G.B.5

an acute angle is

• 90 degrees

• less than 90 degrees

• more than 90 degrees

• 180 degrees

Tags

CCSS.4.G.A.1

a straight angle equals to

• 180 degrees

• 360 degrees

• 90 degrees

Tags

CCSS.4.G.A.1

If two lines intersect each other, then the vertically opposite angles are

• not equal

• 90 degrees

• equal

• 180 degrees

Tags

CCSS.7.G.B.5

A line joining two endpoints are called

• Ray

• Line

• Line segment

• intersecting lines

Tags

CCSS.4.G.A.1

A reflex angle is

• More than 90 degrees

• More than 180 degrees

• Equal to 90 degrees

• Equal to 180 degrees

Tags

CCSS.4.G.A.1

Value of x in the figure below is

• 20 degrees

• 40 degrees

• 80 degrees

• 160 degrees

Tags

CCSS.8.G.A.5

In the given figure, if the angles a and b are in the ratio 2 : 3, then angle c is

• 90 degrees

• 126 degrees

• 144 degrees

• 180 degrees

Tags

CCSS.7.G.B.5

In figure, AB || ED, the value of x is

• 26 degrees

• 36 degrees

• 54 degrees

• 62 degrees

Tags

CCSS.8.G.A.5

In the figure, if x, y and z are exterior angles of ΔABC then x + y + z is

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees