Practice Quiz Mode
Take all 4 MCQs in interactive quiz mode with timer and progress tracking
An isosceles right triangle has a hypotenuse of length $58$ inches. What is the perimeter, in inches, of this triangle?
Difficulty: Hard
A:
$29\sqrt{2}$
B:
$58\sqrt{2}$
C:
$58+58\sqrt{2}$
D:
$58+116\sqrt{2}$
Triangle $ABC$ and triangle $DEF$ are similar triangles, where $\overline{AB}$ and $\overline{DE}$ are corresponding sides. If $DE=2AB$ and the perimeter of triangle $ABC$ is $20$, what is the perimeter of triangle $DEF$?
Difficulty: Easy
A:
10
B:
40
C:
80
D:
120
In the $xy$-plane, the graph of $2x^{2}-6x+2y^{2}+2y=45$ is a circle. What is the radius of the circle?
Difficulty: Hard
A:
$5$
B:
$6.5$
C:
$\sqrt{40}$
D:
$\sqrt{50}$
An isosceles right triangle has a perimeter of $94+94\sqrt{2}$ inches. What is the length, in inches, of one leg of this triangle?
Difficulty: Hard
A:
$47$
B:
$47\sqrt{2}$
C:
$94$
D:
$94\sqrt{2}$
Premium content
Sign in and upgrade to continue reading.