Содержание
- 2. 30˚ х 2х 2х+х=12 3х = 12 Х = 4 4 8
- 3. 90˚: 3 = 30˚ 30˚ 60˚ х 2х 2х – х = 15 Х = 15
- 4. 36 18 60˚ 30˚ 9 36 – 9 = 27 27
- 5. 30˚ 36 30˚ 72 72 - 18 = 54 54
- 6. Δ ЕОС = Δ ОDC ОЕ = ОD = 18 18
- 7. 26 ΔPST = ΔTSF
- 8. 70˚ 50˚ 180˚- 50˚- 20˚= 110˚
- 9. 60˚ 30˚ 36 : 3 = 12 12 12 12 24
- 10. 30˚ 30˚ 14
- 11. 50˚ 40˚ 25˚ 45˚ 25˚ EA =ЕD BE=ED Δ BED -равнобедренный (180˚- 40˚) : 2 =
- 12. 30˚ 30˚ 180˚- 60˚ = 120˚ 120˚
- 13. 13 13 60˚ 60˚ 60˚ 30˚ 13: 2 = 6,5 6,5 6,5 6,5 : 2 =3,25
- 14. ΔPNS = ΔPMS ∟NPS = ∟MSP ( 180 – 130 ) : 2 = 25˚ 25˚
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