Kite and Trapezoid Properties

作者：April Rose Carter

主題：幾何, 多邊形, 四邊形, 梯形

Kite Properties

Drag and drop the vertices of the kite to investigate its properties. Then answer the questions below.

1.)

The red angles are vertex angles. The blue angles are non-vertex angles. Select the correct pair of statements.

勾選所有適當的選項

A
Non-vertex angles are congruent. Vertex angles are not necessarily congruent.
B
Vertex angles are congruent. Non-vertex angles are not necessarily congruent.
C
Non-vertex angles are not necessarily congruent. Vertex angles are not necessarily congruent.
D
Non-vertex angles are congruent. Vertex angles are congruent.

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2.)

The diagonals of a kite create angles that are:

勾選所有適當的選項

A
parallel.
B
half the value of the non-vertex angles.
C
perpendicular.
D
half the value of the vertex angles.

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3.)

The diagonal connecting the _________________ of a kite is the ____________________ the other diagonal.

勾選所有適當的選項

A
non-vertex angles, bisector of
B
vertex angles, bisector of
C
non-vertex angles, same as
D
vertex angles, same as

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4.)

Which statement appears to be true?

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A
The vertex angles of a kite are bisected by the diagonal.
B
The non-vertex angles of a kite are bisected by the diagonal.
C
Opposite angles of a kite are congruent.
D
The angles on both sides of each diagonal are congruent.

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Trapezoid Properties

Drag and drop the vertices and sides of the trapezoid to investigate its properties. Then answer the questions below.

5.)

The red sides are bases. The purple angles are a set of base angles. The green angles are a set of base angles. Select the true statement.

勾選所有適當的選項

A
Base angles of a trapezoid are complementary.
B
Base angles of a trapezoid are supplementary.
C
Consecutive angles between the bases of a trapezoid are complementary.
D
Consecutive angles between the bases of a trapezoid are supplementary.

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6.)

In the trapezoid shown, AD = BC. What kind of trapezoid is this?

7.)

Which statement is true?

勾選所有適當的選項

A
The base angles of any trapezoid are congruent.
B
The base angles of any isosceles trapezoid are congruent.
C
The base angles of isosceles trapezoids are sometimes congruent.

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8.)

Which statement is also true?

勾選所有適當的選項

A
The diagonals of a trapezoid bisect each other.
B
The diagonals of an isosceles trapezoid bisect each other.
C
The diagonals of a trapezoid are congruent.
D
The diagonals of an isosceles trapezoid are congruent.

核對我的答案 (3)

Kite and Trapezoid Properties

Kite Properties

1.)

2.)

3.)

4.)

Trapezoid Properties

5.)

6.)

7.)

8.)

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