Question

3. Fig. 9.19, in the A ABC, D is the mid-point of AB, E
is the mid-point of AC. Calculate :
(i) DE, if BC = 6 cm (ii) angle ADE, if angleDBC = 140°​

Answer 1

Answer:

show me figure

Step-by-step explanation:

.............

Answer 2

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.