Question 16
How many triangles are there in the figure?
Count triangles of every size whose three sides are completely drawn. The extra labelled version in the explanation uses the same line arrangement.
Answer entry: enter the whole number only, without units. The paper uses four shaded digits with leading zeros; ordinary integer entry is accepted here.
Count triangles of every size whose three sides are completely drawn. The extra labelled version in the explanation uses the same line arrangement.
Answer entry: enter the whole number only, without units. The paper uses four shaded digits with leading zeros; ordinary integer entry is accepted here.