1.
Weiming draws a house.
Mark all the angles in the drawing and fill in the blanks.
(a) How many right angles are there?
(b) How many angles are greater than a right angle?
ООО
(c) How many angles are smaller than a right angle?
2.
Circle the letter that has the most number of right angles.
AIFH
Answers
Answer:
Find the value of the following -
{\tt{\longrightarrow 2 \div \dfrac{1}{2} - \dfrac{1}{2} \div 2 + \dfrac{1}{2} \bigg(2 + \dfrac{1}{2} \bigg)}}⟶2÷
2
1
−
2
1
÷2+
2
1
(2+
2
1
)
★ Let's solve this question...!
{\sf{:\implies 2 \div \dfrac{1}{2} - \dfrac{1}{2} \div 2 + \dfrac{1}{2} \bigg(2 + \dfrac{1}{2} \bigg)}}:⟹2÷
2
1
−
2
1
÷2+
2
1
(2+
2
1
)
To solve this problem we have to use procedure of BODMAS !..
\: \: \: \: \: \: \: \:{\bf{\leadsto B \: denotes \: Brackets}}⇝BdenotesBrackets
\: \: \: \: \: \: \: \:{\bf{\leadsto O \: denotes \: Off}}⇝OdenotesOff
\: \: \: \: \: \: \: \:{\bf{\leadsto D \: denotes \: Division}}⇝DdenotesDivision
\: \: \: \: \: \: \: \:{\bf{\leadsto M \: denotes \: Multiplication}}⇝MdenotesMultiplication
\: \: \: \: \: \: \: \:{\bf{\leadsto A \: denotes \: Additional}}⇝AdenotesAdditional
\: \: \: \: \: \: \: \:{\bf{\leadsto S \: denotes \: Subtraction}}⇝SdenotesSubtraction
~ When we have to use BODMAS then we have to work according to the denotation always like first solve brackets, then off (×) then others respectively...!
★ Let's do it...!
{\sf{:\implies 2 \div \dfrac{1}{2} - \dfrac{1}{2} \div 2 + \dfrac{1}{2} \bigg(2 + \dfrac{1}{2} \bigg)}}:⟹2÷
2
1
−
2
1
÷2+
2
1
(2+
2
1
)
Let's take LCM first of those digits that are in small bracket..!
{\sf{:\implies 2 \div \dfrac{1}{2} - \dfrac{1}{2} \div 2 + \dfrac{1}{2} \bigg(\dfrac{4+1}{2} \bigg)}}:⟹2÷
2
1
−
2
1
÷2+
2
1
(
2
4+1
)
Now let's solve the bracket..!
{\sf{:\implies 2 \div \dfrac{1}{2} - \dfrac{1}{2} \div 2 + \dfrac{1}{2} \bigg(\dfrac{5}{2} \bigg)}}:⟹2÷
2
1
−
2
1
÷2+
2
1
(
2
5
)
Now let's open brackets..!
{\sf{:\implies 2 \div \dfrac{1}{2} - \dfrac{1}{2} \div 2 + \dfrac{1}{2} \times \dfrac{5}{2}}}:⟹2÷
2
1
−
2
1
÷2+
2
1
×
2
5
Remember we have to work according to BODMAS so now have to solve for division...!
{\sf{:\implies 2 \times 2 - \dfrac{1}{2} \times \dfrac{1}{2} + \dfrac{5}{4}}}:⟹2×2−
2
1
×
2
1
+
4
5
{\sf{:\implies 4 - \dfrac{1}{2} \times \dfrac{1}{2} + \dfrac{5}{4}}}:⟹4−
2
1
×
2
1
+
4
5
{\sf{:\implies 4 - \dfrac{1}{4} + \dfrac{5}{4}}}:⟹4−
4
1
+
4
5
{\sf{:\implies 4 - \dfrac{5}{4}}}:⟹4−
4
5
{\sf{:\implies \dfrac{20}{4}}}:⟹
4
20
{\sf{:\implies 5}}:⟹5
{\small{\boxed{\bf{\bigstar{Henceforth, \: 5 \: is \: the \: value \: of \: the \: given \: question}}}}}
★Henceforth,5isthevalueofthegivenquestion