Answer:
102 and 103
Step-by-step explanation:
The perimeter of a shape is the sum of its side lengths.
<em>Joshua miscalculated the third length of the triangle</em>
First, we calculate the third length (x) of the triangle.
Because the triangle is right-angled, we can make use of Pythagoras.
So we have:


Take square roots of both sides


The other shape in the figure is a square.
So, the perimeter (P) is
---- i.e. the sum of the visible lengths
So, we have:

Evaluate like terms:

Hence, Joshua's error is that:
<em>He miscalculated the third length of the triangle</em>
Read more about perimeters at:
brainly.com/question/6465134
Answer:
y=1/2x+2
Step-by-step explanation:
Answer:
= 0.15384615384 = 15.38%
Step-by-step explanation:
There are 4 7 cards and 4 queen cards so,
+
= 