wll.e. In the diagram, AABC ~ AADE. a oooine o limie no 12. Find the scale factor from AABC to AADE. 40 10 aulsv bolealbnis bol1.CI= bna 0 12 32° D. 21 13. Find the value of x. oeim ot T0 olbe odi ai tarW.r 14. Find LABC.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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In the diagram, AABC ~ AADE.S
12. Find the scale factor from AABC to AADE.
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40
10
B
aulsv boleallbni sdr
bol1.C= bna 0 0
12
32°
21
E
13. Find the value of x.
14. Find mLABC.
15. The perimeter of AABC is about 42.4 units. Find the perimeter of AADE.
210
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2.
16. The area of AABC is about 72 square units. Find the area of the AADE.
5 cm
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