Answer:
11
Step-by-step explanation:
sub 7 in for t which gives you 2(7) - 3
14-3 = 11
Answer:
Step-by-step explanation:
15²+20²=225+400=625
22²=484
15²+20²≠22²
it is not a right angled triangle.
not all sides equal so not an equilateral triangle.
No two sides are equal .
it is not an isosceles triangle.
it is scalene.