Is the word in bold an adjective or an adverb?A triangle is a shape composed of three straight sides and three angles.

In the sentence "A triangle is a shape composed of three straight sides and three angles," the word in bold is "straight."

Detailed Explanation

1. Identifying the Word's Role: The word "straight" is used to describe the type of sides that the triangle has.

2. Understanding Adjectives vs. Adverbs:

   • Adjectives describe nouns (e.g., "a red apple").
   • Adverbs typically modify verbs, adjectives, or other adverbs (e.g., "she runs quickly").

3. Analyzing the Sentence: In this context, "straight" modifies the noun "sides," indicating the characteristic of the sides of the triangle.

Conclusion

Therefore, "straight" functions as an adjective in this sentence, describing the noun "sides."