Answer:
An aphthous ulcer is an ulcer that forms on the mucous membranes. They are also called aphthae, aphthosis, aphthous stomatitis and canker sores. ... Recurrent aphthous ulcers are mostly a minor nuisance, but they are associated with significant health problems in some people.
EXACERBATION of side effects. You get double the side effects of sleepiness, dullness, dry mouth and impaired judgement. It is better to take an antihistamine alone or a cold medication preparation, which contains this. Do not take both. Also, take it at bedtime, so that it would help by causing sleepiness.
Answer:
Area
square centimeter
Diagonal
centimeter
Explanation:
Area of the rhombus is equal to the product of its side and altitude
Thus,
Area of the rhombus
square centimeter
Area of the rhombus is equal to half the product value of two diagonal
square centimeter 
cm