right-angled triangle
Pronunciation
Noun
B1 Intermediate
Quick answer
A triangle that has one angle measuring exactly ninety degrees.
Test yourself
Which word fits the gap? "You can use the Pythagorean theorem to find the missing side of a _____."
Answer: right-angled triangle
In your own words, what does "right-angled triangle" mean?
A triangle that has one angle measuring exactly ninety degrees.
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