2010015006 | math4u.vsb.cz

SubArea:

Level:

Project ID:

2010015006

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

The figure shows a rectangular trapezium whose bases have lengths of

19 cm

and

14 cm

, and the longer arm is

13 cm

long. Calculate the sine of angle

α

.

\frac{12}{13}

\frac{5}{13}

{22.62}^{\circ}

{67.38}^{\circ}