Muntazam uchburchakning ichidagi ixtiyoriy nuqtadan uning tomonlarigacha bo’lgan masofalar yig’indisi √3 ga teng. Uchburchakning yuzini toping.
Teng yonli uchburchakning asosi 18 ga, yuzi 108 ga teng. Shu uchburchakning yon tomonini toping.
ABC uchburchakning AB va BC tomonlari orasidagi burchagi 300 ga teng. Agar AB va BC tomonlar orasidagi burchak 1200 ga orttirilsa, ABC uchburchakning yuzi qanday o’zgaradi?
Teng yonli to’g’ri burchakli uchburchakning yuzi 1225 ga teng bo’lsa, uning gipotenuzasini toping.
Teng yonli to’g’ri burchakli uchburchakning gipotenuzasi 5√2 ga
teng. Uning yuzini hisoblang.
Ushbu y = −x − 1, y = x − 1 to’g’ri chiziqlar va Ox o’qi bilan
chegaralangan uchburchakning yuzini toping.
Muntazam uchburchakning yuzi 64 ga teng. Uning perimetrini toping.
ABC uchburchakda teng. ABD uchburchakning yuzini toping.
ABC uchburchakning AD medianasi 6 ga teng, AC tomoni 8 ga va ular orasidagi burchak 300 ga teng. ABC uchburchakning yuzini toping.
To’g’ri burchakli uchburchak katetlarining gipotenuzadagi proyeksiyalari 8 va 2 ga teng. Uchburchakning yuzini toping.
To’g’ri burchakli uchburchakning perimetri 84 ga, gipotenuzasi 37 ga teng. Bu uchburchakning yuzini toping.
12 13
ABC uchburchakda A=30°, АВ= АС=4. A uchidan tushirilgan balandlik uzunligini toping.
ABC uchburchakning AD medianasi 6 ga teng. AC tomoni 8 ga va ular orasidagi burchak 30° ga teng. ABC uchburchakning yuzini toping.
