ahankaranth ahankaranth

02-01-2020
Mathematics

contestada

In ΔABC, m∠ACB = 90°, CD ⊥ AB and m∠ACD = 45°. Find: AC, if CD = 6√2 in.

Respuesta :

tashana84nt tashana84nt

02-01-2020

Answer:

AC = 12 units.

Step-by-step explanation:

Δ ACD is right-angled. ( as CD ⊥ AB).

cos 45° = CD / AC = 6√2 / AC

AC = 6√2 / cos 45°

AC = 6√2 / 1 /√2

= 6√2 *√2

= 6 * 2

= 12 (answer)

HOPE THIS HELPED ;3

Answer Link

Otras preguntas

Write an equation of a line that passes through (-2,3) and (0,8)

math help, for geometry,, PLEASE HELP :((( !!!

Math question help please! 24 points

what is 1/2(8x+3)=9x

What’s the coordinates of point w

Tell the number of atoms of each element in these compounds. 1 point per blank N2O3 ___ atoms Nitrogen ____ atoms Oxygen CaCO3 ____ atoms Calcium ____ atoms Car

read the passage the mountain is high, the sea is deep, the strife of kings makes all men weep. Go, hero bold, into the world and bring ye back the prize of pea

Charlie graphs the equation y= –12x+2 . Select all statements about Charlie's graph that are true. A: The graph is a straight line. B: The line does not pass t

Use the balanced chemical equation to work the following problem. 2C4H10 + 13O2 → 8CO2 + 10H2O How many grams of CO2 (molar mass = 44.01 g/mol) woul

Cambia el verbo en negrita y escríbelo en el presente perfecto. Change the verb in bold and write it in the present perfect. La gente está muy emocionada porque