$ABCD$-romb; $\angle ABC = 4x + 20^\circ$; $\angle BAD = x - 20^\circ$; $x = ?$
- A. $36^{\circ}$
- B. $30^{\circ}$
- C. $40^{\circ}$
- D. $45^{\circ}$
Romb va uning xossalari bo‘yicha savol
Javob va yechimni ko‘rish
Javob: $36^{\circ}$
Mavzuni mustahkamlang
Bu savol Romb va uning xossalari mavzusiga tegishli. Ta’riflar, formulalar va misollarni mavzu sahifasida ko‘ring.
Mavzuni o‘rganishShu mavzudagi boshqa savollar
$ABCD$-romb; $\angle BAD = 50^\circ$; $\angle ABC = x = ?$$ABCD$-romb; $\angle ABC = 100^\circ$; $\angle BAD = x = ?$$ABCD$-romb; $\angle ABC = x + 80^\circ$; $\angle BAD = x + 20^\circ$; $x = ?$$ABCD$-romb; $\angle BAD = 50^\circ$; $\angle BCD = x$; $x = ?$$ABCD$-romb; $\angle BCD = 60^\circ$; $\angle BAD = x$;