1103055011 | math4u.vsb.cz

SubArea:

Level:

Project ID:

1103055011

Accepted:

1

Clonable:

0

Easy:

1

The picture shows the regular octagon

A B C D E F G H

and the equilateral triangle

A B J

. Give the measure of the angle

J B C

.

75^{\circ}

30^{\circ}

45^{\circ}

60^{\circ}