C | math4u.vsb.cz

1103162606

Level:

C

The figure below shows two semicircles

\hat{A B}

and

\hat{D A}

. Find the dilation scale factor if you know that the semicircle

\hat{D A}

is the image of the semicircle

\hat{A B}

in dilation with the centre

C

.

- 0.5

0.5

- 0.25

0.75

1103162605

Level:

C

Let

A B C

be a triangle (see the picture). Find the dilated image of the triangle with

O

(the origin) being the centre of dilation and the scale factor

2

.

1103162604

Level:

C

Let

A B C

be a triangle with the centroid

T

(see the picture). Find the dilated image of the triangle with

T

being the centre of dilation and the scale factor

- \frac{1}{2}

.

1103162603

Level:

C

Let

A B C

be a triangle (see the picture). Find the dilated image of the triangle with

A

being the centre of dilation and the scale factor

\frac{5}{4}

.

1103162602

Level:

C

Let

A B C D

be a square. Find the dilated image of the square with

S

being the centre of dilation and scale factor

- \frac{1}{2}

. The point

S

is also the middle of the square

A B C D

(see the picture).

1103162601

Level:

C

Let

A B C D

be a square. Find the dilated image of the square with

A

being the centre of dilation and the scale factor

\frac{1}{2}

(see the picture).

1103235608

Level:

C

The regular hexagonal prism has a volume of

324 \sqrt{3} {cm}^{3}

and the base edge length is equal to the prism’s height. Find the height.

6 cm

6 \sqrt{6} cm

36 \sqrt{6} cm

6 \sqrt{3} cm

1103235607

Level:

C

Find the surface area of a regular hexagonal prism with lateral edge length of

10 \sqrt{3} cm

and a base edge length of

6 cm

(see the picture).

468 \sqrt{3} {cm}^{2}

414 \sqrt{3} {cm}^{2}

168 \sqrt{3} {cm}^{2}

408 \sqrt{3} {cm}^{2}

1103235606

Level:

C

Find the volume of a regular hexagonal prism with lateral edge length of

12 cm

and a base edge length of

9 cm

(see the picture).

1458 \sqrt{3} {cm}^{3}

243 \sqrt{3} {cm}^{3}

1944 \sqrt{3} {cm}^{3}

729 \sqrt{3} {cm}^{3}

1103235605

Level:

C

A regular hexagonal pyramid has the perimeter of its base

12 \sqrt{3} cm

and its slant height is

5 cm

. Find the surface area.

48 \sqrt{3} {cm}^{2}

72 \sqrt{3} {cm}^{2}

30 \sqrt{3} {cm}^{2}

96 \sqrt{3} {cm}^{2}

« first
‹ previous
…
45
46
47
48
49
50
51
52
53
…
next ›
last »