NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Multiple Choice QuestionsQuestion 2
Class 7 - Mathematics - Unit 6: Triangles - Multiple Choice Questions
Question. 2
Triangle DEF of Fig. 6.6 is a right triangle with ∠E = 90°. What type of angles are ∠D and ∠F?
(a)
(a) They are equal angles
(b)
(b) They form a pair of adjacent angles
(c)
(c) They are complementary angles
(d)
(d) They are supplementary angles
Detailed Answer with Explanation:
In a right triangle, the two non-right angles add up to \(90^\circ\). Hence, ∠D and ∠F are complementary.