A rectangular piece of paper has a width that is 3 inches less than its length. It is cut in half along a diagonal to create two

Question

3 years ago

8

congruent right triangles with areas of 44 square inches. Which statements are true? Check all that apply.

1 answer:

yarga [219] · Answer 1 · 2022-05-13T17:47:35+03:00

Answer:

A is TRUE (44 in²*2=88 in²)

B is FALSE x(x-3)=88 (the rectangle) or x(x-3)/2=44 (the triangle)

C is TRUE if x(x-3)=88==>x²-3x-88=0

D is TRUE :

x²-3x-88=0

Δ=9+4*88=361=19²

==>x= 11 or x=-8 (excluded for <0)

E is FALSE for 11*4≠88

Step-by-step explanation:

correct me if i am wrong