Monday

July 28, 2014

July 28, 2014

Posted by **ALISON** on Tuesday, September 6, 2011 at 3:59am.

i get 15.19. is that right?

- trig -
**Reiny**, Tuesday, September 6, 2011 at 9:14amno,

Make a diagram and draw the perpendicular to the base.

You now have a right-angled triangle, where your unknown side of the triangle is the hypotenuse.

let it be h.

cos 26.54° = 15.21/h

h = 15.21/cos 26.54°

= 17.00

**Related Questions**

math - how do i get the answer to this question. the base of an isosceles ...

Math - The base of an isosceles triangle is one inch shorter than the equal ...

Math - Each equal side of an isosceles triangle is 3 1/2 inches longer than the ...

Trig - The length of the base of an isosceles triangle is one fourth the length...

geometry - An isosceles triangle has a perimeter of 147 inches.Each of the two ...

geometry - WHAT IS THE BASE LENGTH OF AN ISOSCELES TRIANGLE IF YOU KNOW THE ...

Agent HELP! Trigonometry - An isosceles triangle ABC has two sides 17cm in ...

geometry - Each base of an isosceles triangle measures 42 degrees, 30'. The base...

Math - Suppose an isosceles triangle has perimeter 10 cm. Find an expression ...

pre calculus - The base of an Isosceles triangle is half as long as the two ...