Question

please answer my question step by step its urgent​

Answer 1

Answer:

What is the scienctific name of particles which make up matter?5.

Draw an equilateral triangle of altitude 4 cm. Construct another triangle similar to it

2

such that its sides are

of the given triangle.The cells that is present at the opening in the epidermis of leaf and useful for

exchange of gases are---15 and 19

Answer 2

$\frac{7}{3 \sqrt{3} - 2\sqrt{2} } * \frac{3\sqrt{3} + 2\sqrt{2} }{3\sqrt{3} + 2\sqrt{2}} \\\\\frac{21 \sqrt{3} + 14\sqrt{2} }{(3 \sqrt{3})^{2} - (2 \sqrt{2})^{2} } \\\\\frac{21 \sqrt{3} + 14\sqrt{2} }{27 - 8} \\\\\frac{21 \sqrt{3} + 14\sqrt{2} }{19}$