Question

这个图形中有多少个三角形？（有些三角形可能与其他三角形重叠。）

How many triangles are in this figure? (Some triangles may overlap other triangles.)

$9$

$8$

$7$

$6$

$5$

图中有三个小三角形，两个最右边小三角形合成的一个三角形，以及整个外部大三角形。

一共是 $5$ 个三角形。

所以正确答案是 E。

The figure contains three small triangles, the triangle made from the two rightmost small triangles, and the large outside triangle.

This gives $5$ triangles.

Thus, the correct answer is E .