Homogeneous mixtures : Air, soda water, vinegar, filtered tea.
Heterogeneous mixtures : Wood, soil.
| Substance | Type of Mixture |
|---|---|
| Soda water | Homogeneous |
| Wood | Heterogeneous |
| Air | Homogeneous |
| Soil | Heterogeneous |
| Vinegar | Homogeneous |
| Filtered tea | Homogeneous |
(i) The kind of person the doctor is (money, possessions)
(ii) The kind of person he wants to be (appearance, ambition)
ABCD is a quadrilateral in which AD = BC and ∠ DAB = ∠ CBA (see Fig. 7.17). Prove that
(i) ∆ ABD ≅ ∆ BAC
(ii) BD = AC
(iii) ∠ ABD = ∠ BAC.
