3 years ago

Simplify: Square root of 8xy squared

Mathematics

1 answer:

SashulF [63]3 years ago

6 0

Answer:

8xy

Step-by-step explanation:

$\sqrt{(8xy)^{2}}=\sqrt{(8)^{2}x^{2}y^{2}} =8xy$

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4 years ago

Read 2 more answers

ABCD is a rectangle. The length of BD is 8 units, and m angle ABD is 67°. The length of AC is units, and m angle CDB is °.

Marina86 [1]

See the attached picture to better understand the problem
we know that
in rectangle ABCD
AB=CD
and
AD=BC
therefore
the triangle ACD and triangle ABC are congruent
so
BD=AC
BD=8 units

the answer part a) is
BD= 8 units

Part b) Find angle CBD

we know that
∠ABD+∠CBD=90°---------> by complementary angles
so
∠CBD=90-∠ABD-----> 90-67----> 23°
∠CBD=23°

the answer Part b) is
∠CBD=23 degrees