Answer:
Step-by-step explanation:
Given ,
A right angle triangle ΔABC with right angle at C and ∠A=30° and AC=5√5 units .
Let ∠A=A,∠B=B∠C=C and AC=b,BC=a,CA=b .
Implies perimeter of triangle = a+b+c .
now
![tanA=\frac{a}{b} \\\a=b*tanA\\a= 5\sqrt{5} *tan30^0\\a=\frac{5\sqrt{5}}{\sqrt{3}}](https://tex.z-dn.net/?f=tanA%3D%5Cfrac%7Ba%7D%7Bb%7D%20%5C%5C%5Ca%3Db%2AtanA%5C%5Ca%3D%205%5Csqrt%7B5%7D%20%2Atan30%5E0%5C%5Ca%3D%5Cfrac%7B5%5Csqrt%7B5%7D%7D%7B%5Csqrt%7B3%7D%7D)
and
![cosA=\frac{b}{c} \\\c=\frac{b}{cosA} \\c=\frac{10\sqrt{5}}{\sqrt{3} }](https://tex.z-dn.net/?f=cosA%3D%5Cfrac%7Bb%7D%7Bc%7D%20%5C%5C%5Cc%3D%5Cfrac%7Bb%7D%7BcosA%7D%20%5C%5Cc%3D%5Cfrac%7B10%5Csqrt%7B5%7D%7D%7B%5Csqrt%7B3%7D%20%7D)
implies ,
![perimeter = \frac{5\sqrt{5}}{\sqrt{3}} + 5\sqrt{5} +\frac{10\sqrt{5}}{\sqrt{3} }\\perimeter= 5\sqrt{15} + 5\sqrt{5}](https://tex.z-dn.net/?f=perimeter%20%3D%20%5Cfrac%7B5%5Csqrt%7B5%7D%7D%7B%5Csqrt%7B3%7D%7D%20%2B%205%5Csqrt%7B5%7D%20%2B%5Cfrac%7B10%5Csqrt%7B5%7D%7D%7B%5Csqrt%7B3%7D%20%7D%5C%5Cperimeter%3D%205%5Csqrt%7B15%7D%20%2B%205%5Csqrt%7B5%7D)
Answer:
6x+42
Step-by-step explanation:
First, distribute the 8.
8x+24-2x+18.
Then, combine like terms.
6x+42
You can do 25 divide by 5 and you get 5. Then you multiply 5 times 10 and your answer will be of 50. The mole digs 50 holes in 25 minutes.
Answer:
isosceles angle acute? and obtuse triangle
Step-by-step explanation:
2 grade things and googl