Strona 1 z 1

A triangle circled around it

: 31 paź 2020, 11:19
autor: Rebeka
rump. 1. PointS. is the center of a circle circumscribed by an acute triangle A B C. Prove that the sum of the angle measuresA B S and A CB is equal 90∘.
https://19216801.onl/ https://routerlogin.uno/
rump. 2. The basisA B isosceles triangle A B C has a length 6and shoulder length 5. Calculate the perimeter of a triangle with an area27which is similar to a triangle A B C.

Re: A triangle circled around it

: 31 paź 2020, 11:45
autor: radagast
Rebeka pisze: 31 paź 2020, 11:19 rump. 1. PointS. is the center of a circle circumscribed by an acute triangle A B C. Prove that the sum of the angle measuresA B S and A CB is equal 90∘.
ScreenHunter_335.jpg
\(x+2 \gamma +x=\pi \So \gamma +x= \frac{ \pi }{2} \)

Re: A triangle circled around it

: 31 paź 2020, 11:57
autor: radagast
Rebeka pisze: 31 paź 2020, 11:19 rump. 2. The basisA B isosceles triangle A B C has a length 6and shoulder length 5. Calculate the perimeter of a triangle with an area27which is similar to a triangle A B C.
ScreenHunter_336.jpg
ScreenHunter_336.jpg (7.97 KiB) Przejrzano 1101 razy
\(|CH|= \sqrt{25x^2-9x^2}=4x \)
\(27= \frac{6x \cdot 4x}{2} \So x= \frac{3}{2} \)

\(p=2 \cdot 5x+6x=16x=16 \cdot \frac{3}{2} =24\)