20. (99-1-33) ABCD parallelogrammning perimetri 10 ga teng. ABD uchburchakning perimetri 8 ga teng. BD dioganalining
uzunligini toping.
A) 3
B) 4 C)2 D) 3,5 E) 2.5
21. (99-2-45) Parallelogrammning o'tkir burchagi uchidan uning
shu uchidan o'tmaydigan tomonlariga tushirilgan perpendikulyarlar
orasidagi burchak 1300 ga teng. Parallelogrammning o'tkir
burchagini toping.
B) 45°
C) 50" D) 550 E) 35
22. (99-2-46) Parallelogramning 6 ga teng bo'lgan kichik diagonali
8 ga teng bo'lgan kichik yon tomoniga perpendikulyar
ogrammning katta tomoniga tushirilgan balandlikni toping.
B) 4,4 C) 4,6
D) 4
E) 4.8
1) Balandliklari 12 V3 va 4 ga, ular orasidagi burchak
22
A) 40"
P​

Kiryshka2532    1   04.03.2021 21:06    0