Please help ill mark you as brainlesit if correct!
1 answer:
Answer:
Step-by-step explanation:
Think, how many different variations are there? The answer is 16: 4 times 4=16
how many of these variations could be the same? lets check:
7 and 7 <u>1</u>
2 and 2 <u>2</u>
2 options out of 16, so the answer is 2/16 which can be simplified to:
I hope this helps u!
Please give brainliests(i had 40 now for no reason down to 2 :.( ) and a thx ;)
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Answer:
Isosceles
Step-by-step explanation:
Consider triangle ABC, BD is the median and the altitude drawn to the side AC. This segment (BD) divide the triangle ABC into two triangles: ABD and CBD.
In these triangles:
- AD=DC (because BD is the median);
- ∠ADB=∠CDB=90° (because BD is the altitude);
- BD is common side.
Thus, by SAS postulate, triangles ABD and CBD are conruent. Congruent triangles have congruent corresponding sides. Hence, AB=CB.
If in triangle ABC, AB=BC, then this triangle is isosceles.
