Answer:
C) 81.49
Step-by-step explanation:
Use the order of operations
PEMDAS
8² ÷ 4 + 3.7(42.3 - 24.6)
Parentheses
8² ÷ 4 + 3.7(17.7)
Exponent
64 ÷ 4 + 3.7(17.7)
Multiplication
64 ÷ 4 + 65.49
Division
16 + 65.49
Addition
81.49
<span>(-3,-4),(3,-4),(3,4) </span>
Answer:
True.
If Δ ABC ≅ Δ DBC then BC bisects the angle ∠ ACD.
Step-by-step explanation:
Δ ABC ≅ Δ DBC
∠ ACB ≅ ∠ DCB {corresponding angles of congruent triangles}or(c.p.c.t)
i.e BC is the bisector of ∠ ACD
Hence, TRUE
Euclid
he's also known as the father of geometry
Answer:
x = 5/4
y = 7/4
Step-by-step explanation:
The smaller triangle and the larger one are similar, so the sides are proportional.
(x+5)/5 = 10/8
x/5 + 1 = 1/4 + 1 . . . . . divide it out
x/5 = 1/4 . . . . . . . . . . .subtract 1
x = 5/4 . . . . . . . . . . . . multiply by 5
___
For y, you can do exactly the same computations, replacing every instance of 5 with a 7. Then you get ...
y = 7/4