امتحان

acute angle an angle that measures........ degrees

1

less than 90

2

equal 90

3

mo r e than 90

تصحيح

acute, right, a nd obtuse triangles triangles that are classified by length their sides

1

True

2

False

تصحيح

octagon a polygon with ...... sides

1

5

2

6

3

8

4

7

تصحيح

Pentagon a polygon with ....... sides

1

4

2

6

3

5

4

3

تصحيح

The parallogram with 4 similar sides called ………………

1

trapezoid

2

square

3

rectangle

4

triangle

تصحيح

Hexagon a polygon with 6 sides

1

True

2

False

تصحيح

m(∠x)=40 , m(∠y)=80, m(∠z) =60 ………………….-angled triangle

1

obtuse

2

right

3

acute

تصحيح

......... A polygon with three sides.

1

Quadrilateral

2

Pentagon

3

Hexagon

4

Triangle

تصحيح

If AB=6 cm , Bc= 8 cm , AC =10 cm then the type of this triangle is..............

1

A scalene

2

An equilateral

3

An isosceles

4

A Acute triangle

تصحيح

An/A......... triangle has two equal sides a nd two equal angles.

1

isosceles

2

equilateral

3

scalene

4

right-angled triangle

تصحيح

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